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Denise Case has been at 1 events

HostFollowersTitleDateGuestsLinks
Science on Google+825,238Can you believe it! The +Science on Google+ community is approaching 200k members! We'll have reached that number by this weekend, so we're going to have a huge community celebration! Join your hosts +Scott Lewis and +Buddhini Samarasinghe as they start the celebration of being the #1 science community and the #10 community in *all of Google+*!!  During our Hangout On Air, you'll get a chance to meet the moderators  who dedicate so much time and energy into making sure that good, high quality science content is showcased in the community.  After we hear from the moderators on *who* they are, we'll have a discussion on what the curator team looks at for community posts to get put on the *Curator's Choice*.  We are all extremely excited to be celebrating with all 200,000 of you! Let's stay curious and find new and better ways to understand this amazing Universe we all live in! #ScienceSunday   #STEM   #ScienceEveryday   #SoGp200k  200,000 member community celebration!2014-01-12 22:00:00185  

Shared Circles including Denise Case

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The Google+ Collections of Denise Case

Activity

Average numbers for the latest posts (max. 50 posts, posted within the last 4 weeks)

1
comments per post
2
reshares per post
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+1's per post

848
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Top posts in the last 50 posts

Most comments: 10

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2015-09-16 02:07:41 (10 comments; 9 reshares; 64 +1s)Open 

Good news for honeybees.

And the plants they pollinate. And us who depend on the pollinated plants. :)



Most reshares: 18

posted image

2015-10-03 11:10:24 (4 comments; 18 reshares; 38 +1s)Open 

Most plusones: 64

posted image

2015-09-16 02:07:41 (10 comments; 9 reshares; 64 +1s)Open 

Good news for honeybees.

And the plants they pollinate. And us who depend on the pollinated plants. :)



Latest 50 posts

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2016-02-06 20:28:37 (3 comments; 2 reshares; 9 +1s)Open 

If the Moon were at the same distance as the ISS. Worth a watch. :)

Phil Plait's writeup:
http://www.slate.com/blogs/bad_astronomy/2014/05/19/close_encounter_what_if_the_moon_orbited_much_closer_to_earth.html

#stem #lunar #science #moon


If the Moon were at the same distance as the ISS. Worth a watch. :)

Phil Plait's writeup:
http://www.slate.com/blogs/bad_astronomy/2014/05/19/close_encounter_what_if_the_moon_orbited_much_closer_to_earth.html

#stem #lunar #science #moon
___

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2016-02-01 04:12:35 (0 comments; 0 reshares; 8 +1s)Open 

#datascience   #bigdata  
Do you have the right skills to become a Data Scientist?
http://bit.ly/1VtTY5z

#datascience   #bigdata  
Do you have the right skills to become a Data Scientist?
http://bit.ly/1VtTY5z___

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2016-01-28 19:49:44 (0 comments; 2 reshares; 12 +1s)Open 

First chess; now Go. Alpha Go beats human champion 5 to 0.

#artificial #intelligence #computer #science #code #complex #game #google #deepmind

First chess; now Go. Alpha Go beats human champion 5 to 0.

#artificial #intelligence #computer #science #code #complex #game #google #deepmind___

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2016-01-21 15:12:30 (0 comments; 3 reshares; 12 +1s)Open 

New largest prime number - notable research from Missouri. :)

#stem #math #largestprime #computationalscience #citizenscience

Newsflash: New largest prime number found

Earlier this week, the #GreatInternetMersennePrimeSearch (GIMPS) announced that the a new largest prime number had been found. 2^74,207,281 - 1 is a 22,338,618 digit prime number discovered by Curtis Cooper of the University of Central Missouri. If you aren't aware of #GIMPS , it is a distributed computing project in which volunteers load the software on their computers to be run in the background or during idle time for essentially brute force calculations. Since beginning in 1996, the project has increased the number of known #MersennePrimes from 34 to 49.

http://phys.org/news/2016-01-largest-prime.html
http://www.mersenne.org/primes/?press=M74207281

#PrimeNumbers #Mathematics___New largest prime number - notable research from Missouri. :)

#stem #math #largestprime #computationalscience #citizenscience

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2016-01-08 15:19:25 (8 comments; 1 reshares; 4 +1s)Open 

Visually appealing article. Good ideas, too. :) 

http://www.nytimes.com/interactive/2016/01/07/travel/places-to-visit.html

#travel #vacation

Visually appealing article. Good ideas, too. :) 

http://www.nytimes.com/interactive/2016/01/07/travel/places-to-visit.html

#travel #vacation___

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2015-12-29 00:34:45 (5 comments; 4 reshares; 14 +1s)Open 

Free textbooks = happy holidays. *<|:o)

#stem #math #free #ebooks

Free Textbooks

If you are trying to learn Maths on a budget then this may be of interest to you.

Redditor u/misplaced_my_pants points out that Springer Verlag appears to be allowing old Maths textbooks to be downloaded as pdfs for free.  The cut-off seems to be around ten years old.  Perhaps they are feeling guilty about all that money or are trying to improve their online reputation. Further investigation indicates that this offer is not limited to Maths, but a quick inspection gives no indication of how long-lived this opportunity will be, so if you're interested you should act.

u/HermannKarlovich has kindly provided a list of suggestions.  Feel free to add your own suggestions/reasons as comments.

Set Theory/Logic [ordered by approachability]

Halmos's Naive Set Theory

Moschovakis's Notes on Set Theory [Excellent first book]

Devlin's The Joy of Sets

Poizat's Model Theory [Excellent introduction to the field]

Marker's Model Theory

Jech's Set Theory [The field's current bible. Not recommended as a first textbook.]

Kanamori's The Higher Infinite

Algebra/Algebraic Geometry/Category Theory

Lang's Algebra

Hungerford's Algebra

Mac Lane's Categories for the Working Mathematician

Harris's Algebraic Geometry [Usually seen as a lead in to Hartshorne]

Hartshorne's Algebraic Geometry

Analysis/Complex Analysis

Lang's Complex Analysis

Conway's Functions of Complex Variables I and II

Lang's Real and Functional Analysis

More here (search and download): http://goo.gl/0gVpuy___Free textbooks = happy holidays. *<|:o)

#stem #math #free #ebooks

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2015-12-21 17:26:25 (1 comments; 2 reshares; 6 +1s)Open 

Welcome Aboard. Video excerpts from the launch to low-Earth orbit, meeting up with the International Space Station (ISS), and starting work in space.

March 27 2015 - Scott Kelly (NASA), and Mikhail Kornienko and Gennady Padalka (Roscosmos) launch on Soyuz TMA-16M enroute to ISS 3:42 p.m. EDT. On docking, they are welcomed by Terry Virts (NASA), Anton Shkaplerov (Roscosmos) and Samantha Cristoforetti (ESA).

Dec 15 2015 - Tim Kopra (NASA), Tim Peake (ESA) and Yuri Malenchenko (Roscosmos) launch on Soyuz TMA-19M to the ISS. at 6:48 a.m. and dock at 11:45 a.m.

Dec 21 2015 3:44 a.m. EST - Progress launches with 2.8 tons of food, fuel, and supplies for the ISS crew.

Dec 21 2015 11:01 a.m. EST - Kelly and Kopra finish their successful walkwalk to prepare for Wednesday's docking.

Dec 23 2015 - supplies scheduled for docking.
... more »

Welcome Aboard. Video excerpts from the launch to low-Earth orbit, meeting up with the International Space Station (ISS), and starting work in space.

March 27 2015 - Scott Kelly (NASA), and Mikhail Kornienko and Gennady Padalka (Roscosmos) launch on Soyuz TMA-16M enroute to ISS 3:42 p.m. EDT. On docking, they are welcomed by Terry Virts (NASA), Anton Shkaplerov (Roscosmos) and Samantha Cristoforetti (ESA).

Dec 15 2015 - Tim Kopra (NASA), Tim Peake (ESA) and Yuri Malenchenko (Roscosmos) launch on Soyuz TMA-19M to the ISS. at 6:48 a.m. and dock at 11:45 a.m.

Dec 21 2015 3:44 a.m. EST - Progress launches with 2.8 tons of food, fuel, and supplies for the ISS crew.

Dec 21 2015 11:01 a.m. EST - Kelly and Kopra finish their successful walkwalk to prepare for Wednesday's docking.

Dec 23 2015 - supplies scheduled for docking.

Video

http://time.com/space-nasa-scott-kelly-mission/

https://www.youtube.com/watch?v=x3ZwVjaMT38

Mission Summary

http://www.nasa.gov/sites/default/files/atoms/files/np-2015-12-043-jsc-exp-46-summary.pdf

Blog

https://blogs.nasa.gov/spacestation/

https://blogs.nasa.gov/spacestation/2015/03/27/crew-begins-year-in-space/

https://blogs.nasa.gov/spacestation/2015/12/15/new-crew-enters-station-and-joins-expedition-46/

https://blogs.nasa.gov/spacestation/2015/12/21/astronauts-make-quick-work-of-short-spacewalk/

#nasa #roscosmos #esa #iss #spaceexploration #astronauts #yearinspace
___

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2015-12-20 03:45:19 (0 comments; 0 reshares; 2 +1s)Open 

___

2015-12-16 11:03:17 (0 comments; 0 reshares; 5 +1s)Open 

All about Angular 2 Beta

Try it at: https://angular.io/

#computerscience #coding #webapps

All about Angular 2 Beta

Try it at: https://angular.io/

#computerscience #coding #webapps___

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2015-12-16 10:36:31 (0 comments; 0 reshares; 6 +1s)Open 

IndiaHacks 2016. From the site:

Who is a hacker? Hacker is an attitude of passionate curiosity. Hacker is a culture of excellence. Hacker is a mind set of innovation. Hackers built the internet. Hackers built the personal computer. Hackers built the mobile phone. Hackers built everything that is awesome today.

The world needs more Hackers.

Congrats to our MS-ACS graduates!

#computerscience #coding #programmingchallenges #hacking #hackerearth #indiahacks2016

 http://hck.re/C0zVSs___IndiaHacks 2016. From the site:

Who is a hacker? Hacker is an attitude of passionate curiosity. Hacker is a culture of excellence. Hacker is a mind set of innovation. Hackers built the internet. Hackers built the personal computer. Hackers built the mobile phone. Hackers built everything that is awesome today.

The world needs more Hackers.

Congrats to our MS-ACS graduates!

#computerscience #coding #programmingchallenges #hacking #hackerearth #indiahacks2016

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2015-12-16 10:27:36 (4 comments; 7 reshares; 16 +1s)Open 

Angular 2 Beta Released. 

https://angular.io/

Angular 2 Beta Released. 

https://angular.io/___

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2015-12-11 09:59:29 (0 comments; 1 reshares; 11 +1s)Open 

Wendelstein 7-X update. The first plasma in the machine had a duration of one tenth of a second and achieved a temperature of around one million degrees. “We’re very satisfied”, concludes Dr. Hans-Stephan Bosch, whose division is responsible for the operation of the Wendelstein 7-X, at the end of the first day of experimentation. “Everything went according to plan.”

http://www.ipp.mpg.de/3984226/12_15

#fusion #energy #research #technology 

Wendelstein 7-X update. The first plasma in the machine had a duration of one tenth of a second and achieved a temperature of around one million degrees. “We’re very satisfied”, concludes Dr. Hans-Stephan Bosch, whose division is responsible for the operation of the Wendelstein 7-X, at the end of the first day of experimentation. “Everything went according to plan.”

http://www.ipp.mpg.de/3984226/12_15

#fusion #energy #research #technology ___

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2015-12-09 12:51:49 (0 comments; 2 reshares; 10 +1s)Open 

Cygnus at #sunset on its way to ISS
Photo via @StationCDRKelly

#cygnus   #nasa   #ISS   #yearinspace  

Cygnus at #sunset on its way to ISS
Photo via @StationCDRKelly

#cygnus   #nasa   #ISS   #yearinspace  ___

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2015-12-09 12:30:52 (0 comments; 1 reshares; 11 +1s)Open 

100 million times faster (on a very specific problem).

#dlink #Quantumcomputing #computerscience #research

Google Says It Has Proved Its Controversial Quantum Computer Really Works

Hartmut Neven, leader of Google’s Quantum AI Lab in Los Angeles, said today that his researchers have delivered some firm proof of that. They set up a series of races between the D-Wave computer installed at NASA against a conventional computer with a single processor. “For a specific, carefully crafted proof-of-concept problem we achieve a 100-million-fold speed-up,” said Neven. Google posted a research paper describing its results online last night, but it has not been formally peer-reviewed. Neven said that journal publications would be forthcoming.___100 million times faster (on a very specific problem).

#dlink #Quantumcomputing #computerscience #research

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2015-12-07 02:34:25 (0 comments; 1 reshares; 8 +1s)Open 

ISS Delivery on Target.  "Read a complete account of the launch ... and how research on the station will contribute to a future journey to Mars at http://www.nasa.gov/feature/cygnus-soars-spaceward-with-science-and-supplies-to-advance-space-station-mission"

https://blogs.nasa.gov/orbital/2015/12/06/cygnus-soars-spaceward/

In celebration of #sciencesunday  
#NASA #ISS #Cygnus   #space #exploration  

Miss the launch or want to see it again? Watch as #Cygnus lifts off today at 4:44pm ET heading to the International Space Station. The cargo includes dozens of science and research investigations that will occur during Expeditions 45 and 46.

At 6:10 a.m. on Wednesday, Dec. 9, the Cygnus spacecraft will catch up to the orbiting laboratory. NASA crew members Kjell Lindgren and Scott Kelly will use the station's Canadarm2 robotic arm to reach out and capture Cygnus.

Follow the latest updates: http://www.nasa.gov/orbitalatk___ISS Delivery on Target.  "Read a complete account of the launch ... and how research on the station will contribute to a future journey to Mars at http://www.nasa.gov/feature/cygnus-soars-spaceward-with-science-and-supplies-to-advance-space-station-mission"

https://blogs.nasa.gov/orbital/2015/12/06/cygnus-soars-spaceward/

In celebration of #sciencesunday  
#NASA #ISS #Cygnus   #space #exploration  

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2015-12-06 10:05:57 (1 comments; 6 reshares; 23 +1s)Open 

New solutions to challenging CS problems ...two researchers parlayed these tools into a major leap forward in understanding the famously difficult traveling salesman problem. There are certain to be more such advances, said Assaf Naor, a mathematician at Princeton who works in areas related to the Kadison-Singer problem. “This is too profound to not have many more applications.”

#computerscience #algorithms #research #sciencesunday

Fundamental breakthroughs like this one are rare enough that they're worth reading about, even if they are hard to understand. This one has implications for the foundations of quantum physics.___New solutions to challenging CS problems ...two researchers parlayed these tools into a major leap forward in understanding the famously difficult traveling salesman problem. There are certain to be more such advances, said Assaf Naor, a mathematician at Princeton who works in areas related to the Kadison-Singer problem. “This is too profound to not have many more applications.”

#computerscience #algorithms #research #sciencesunday

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2015-11-25 00:56:53 (2 comments; 3 reshares; 13 +1s)Open 

Hour of Code coming December 7-13, 2015. Hour of Code  is a global movement reaching tens of millions of students in 180+ countries. One-hour tutorials available in over 40 languages. Ages 4 to 104.  :)

Join over 133,000 events across the world happening December 7-13, 2015:  https://hourofcode.com

Teachers:  Search for local volunteers to visit your classroom or inspire your students remotely:  https://code.org/volunteer/local

Passionate about CS and want to motivate the next generation? Sign up to volunteer at:  https://code.org/volunteer

Computer science is the top-paying college degree - and computer programming jobs are growing at twice the national average here in the US. 

https://code.org/stats

Source: https://docs.google.com/document/d/1gySkItxiJn_vwb8HIIKNXqen184mRtzDX12cux0ZgZk/pub
Promo... more »

Hour of Code coming December 7-13, 2015. Hour of Code  is a global movement reaching tens of millions of students in 180+ countries. One-hour tutorials available in over 40 languages. Ages 4 to 104.  :)

Join over 133,000 events across the world happening December 7-13, 2015:  https://hourofcode.com

Teachers:  Search for local volunteers to visit your classroom or inspire your students remotely:  https://code.org/volunteer/local

Passionate about CS and want to motivate the next generation? Sign up to volunteer at:  https://code.org/volunteer

Computer science is the top-paying college degree - and computer programming jobs are growing at twice the national average here in the US. 

https://code.org/stats

Source: https://docs.google.com/document/d/1gySkItxiJn_vwb8HIIKNXqen184mRtzDX12cux0ZgZk/pub

Promote Computer Science: https://code.org/promote

#coding   #computerscience  #stem #hourofcode___

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2015-11-20 04:50:24 (0 comments; 5 reshares; 9 +1s)Open 

Google has upgraded its public machine learning tools!

Google has upgraded its public machine learning tools!___

posted image

2015-11-15 16:57:38 (5 comments; 6 reshares; 22 +1s)Open 

Voyager needs a FORTRAN programmer.  "It was state of the art in 1975, but that's basically 40 years old if you want to think of it that way," Suzanne Dodd, program manager for the Voyager program, said.

 _[UPDATE (from the article)] The Voyager team is not yet hiring anybody to fulfill the role. The retirement is not anticipated until next year. "I go down the hallway and I meet people and I say, 'Wow, Voyager was the best project I've ever worked on. I wish I could get back on it again.' [she] said.​_

#computerscience   #spaceexploration   #voyager   #fortran   #code  

Voyager needs a FORTRAN programmer.  "It was state of the art in 1975, but that's basically 40 years old if you want to think of it that way," Suzanne Dodd, program manager for the Voyager program, said.

 _[UPDATE (from the article)] The Voyager team is not yet hiring anybody to fulfill the role. The retirement is not anticipated until next year. "I go down the hallway and I meet people and I say, 'Wow, Voyager was the best project I've ever worked on. I wish I could get back on it again.' [she] said.​_

#computerscience   #spaceexploration   #voyager   #fortran   #code  ___

posted image

2015-11-13 13:03:59 (1 comments; 5 reshares; 21 +1s)Open 

Interesting discussion on recent brain research - includes a discussion on the many factors that contributed to the fortuitous rise of our intelligence.

#cooperation   #communication   #dexterity   #tools  #fire  #intelligence  

Quanta Discusses Recent Brain Research

Many of you already read Quanta but this is another excellent article that I thought deserved a summary share, How Humans Evolved Supersized Brains. The article delves into the ongoing puzzle as to why and how human brains came to be so big and powerful; why over less than 3 million years they quadrupled in size from 350g to 1,300g, when primates took 60 million years to reach 350g brains in the first place. 

Some points of interest:

➤ New techniques to dissolve brains and extract and count cell nuclei give much more accurate cell counts for brains and, for example, show that larger brains do not always have more neurons and neuronal distribution is often different. The human brain has more neurons in the cerebral cortex than any other animal. 

➤ While an elephant has a brain 2.5 times as large as a human (2.8kg vs 1.2kg), the cerebral cortex of the human brain has 3 times as many neurons (16.3 billion vs 5.6 billion). This is the first time I’ve come across this fact. 

➤ While the human brain as about 86 billion neurons, 69 billion are in the cerebellum and only 16 billion are in the cerebral cortex for high-order intelligence and reasoning. To me this suggests a sort of computational overhang with regard to developing neuromorphic AI: you won’t need hardware that can replicate 86 billion neurons, but only 20% of that - so ~2.5 doublings or ~5 years earlier than expected. 

➤ Human brain makes up 2% of body mass but consumes 20% of total energy, whereas a chimpanzee requires only half that. 
Analysis of cellular glucose-importing genes in the brain and muscle reveals that such genes are 3.2 times more active in human brains compared to chimp brains, but 1.6 times more active in chimp muscles compared to human muscles, and identically active in the respective livers. Human regulatory sequences for these genes show signs of accelerated evolution. Accounting for size and weight, chimp muscles are about twice as strong as humans. 

➤ Key regulatory sequences active in brain development were taken from humans and chimps and introduced into mice: mice with the human version developed brains 12% larger and had cells that divide and multiply in 9 hours instead of 12. 

Goldilocks Factors for Human Intelligence

The development of human intelligence appears dependent on a fortuitous confluence of many different factors:

➤ Development of bipedalism to free up hands for tool-making, at the expense of slower movement compared to predators. 

➤ Development fire-building and hunting to source easier-to-digest and higher-quality foods due to energy allocation away from gut and muscles.

➤ Development of extreme manual dexterity. 

➤ Development of vocal tract capable of complex communication at the expense of choking hazards. 

➤ Development of extremely dense and dangerously energy hungry neural cortex at the expense of muscle power.  

➤ Development of extreme sociality to facilitate large, stable groups of individuals, requiring a long childhood and retention of play and curiosity with age, at the expense of more than a decade of youthful defenselessness. 

➤ I think the general process of neoteny, the retention of juvenile characteristics into adulthood is important here in general to facilitate a great many of these factors. 

➤ A complex environment nonetheless conducive to the survival of such a physically weak animal is also important. 

When considering the development of intelligence not only on Earth, but also elsewhere in the Universe, these are all important factors that should feed into and influence the Drake Equation and Fermi Paradox. There are a lot of subtle factors that were required to be present in just the right way at just the right time for human intelligence to begin to emerge and develop; a lot of luck seems to have been involved. Primate brains were quite content to remain at 350g for 60 million years, not to mention the dinosaur brains before them that were content to remain smaller for a much longer period of time. I hope as we learn more about these different factors we gain a clearer idea of how astronomically improbable the development of our intelligence was and so a greater degree of confidence that the Great Filter is behind us. 

Main article here: https://www.quantamagazine.org/20151110-evolution-of-big-brains/ 

#brain   #intelligence   #evolution___Interesting discussion on recent brain research - includes a discussion on the many factors that contributed to the fortuitous rise of our intelligence.

#cooperation   #communication   #dexterity   #tools  #fire  #intelligence  

posted image

2015-11-13 12:55:27 (3 comments; 4 reshares; 11 +1s)Open 

CMDer: working with Windows from the command line.

CMDer - a powerful console emulator (front-end for the Windows Command Shell)
http://cmder.net/

Built with:

ConEmu - multi-tabbed GUI window with Far Manager plugins 
https://github.com/Maximus5/ConEmu

Git for Windows 
https://git-for-windows.github.io/

Clink for editing and context-sensitive completion
http://mridgers.github.io/clink/

Works with:

NuGet - app-get-like commands to add code libraries
https://www.nuget.org/

Chocolately - app-get-like commands to install tools
https://chocolatey.org/

Powershell - powerful automation tool and scripting environment
https://msdn.microsoft.com/en-us/mt173057.aspxmore »

What does your Windows command-line setup look like?

To familiarise myself with the dev experience on Windows, I've been trying to replicate the setup I've got on Mac there. Something that gives me iTerm 2 + Dotfiles + Bash  + Unix utils and maybe some Git helpers and a Homebrew equivalent.

So far I've got Cmder (~ConEmu fork, Msysgit, Clink) to boost my shell, Cygwin, PoshGit and a PowerShell profile with some shell/Doskey aliases in there. I've also got Chocolatey. Some of the questions I find myself a little uncertain about are:

- What are other folks using? I'm really interested in how you tackle aliases as there seem to be a ton of ways of handling them.
- Is there a community like https://dotfiles.github.io/ for Windows PowerShell aliases?
- Does anyone have a sweet setup for sharing aliases between multiple platforms? (Win/Mac/Linux).
- Any other tips worth knowing? I've literally just been trying Windows again over a few weeks so there's probably tons I'm missing.

Thanks all! 

(For anyone interested in more context on why I'm spending some time on Windows, see https://plus.google.com/+AddyOsmani/posts/TuJG2FPxsZr)___CMDer: working with Windows from the command line.

CMDer - a powerful console emulator (front-end for the Windows Command Shell)
http://cmder.net/

Built with:

ConEmu - multi-tabbed GUI window with Far Manager plugins 
https://github.com/Maximus5/ConEmu

Git for Windows 
https://git-for-windows.github.io/

Clink for editing and context-sensitive completion
http://mridgers.github.io/clink/

Works with:

NuGet - app-get-like commands to add code libraries
https://www.nuget.org/

Chocolately - app-get-like commands to install tools
https://chocolatey.org/

Powershell - powerful automation tool and scripting environment
https://msdn.microsoft.com/en-us/mt173057.aspx
https://technet.microsoft.com/en-us/scriptcenter/dd742419.aspx

PoshGit - Git in Powershell
https://git-scm.com/book/en/v2/Git-in-Other-Environments-Git-in-Powershell

http://ASP.NET*** 5* command line tools
https://msdn.microsoft.com/library/dd293881%28v=vs.100%29.aspx


Additional Information

Johanna Landgren - Getting Started 
http://blog.keendra.com/tag/cmder/

Michal Franc - Setting up Tabs
http://www.mfranc.com/uncategorized/boost-your-dev-productivity-with-cmder-conemu/

Tony Sneed's - Cmder: Making the Command Line Your Best Friend
http://www.wintellect.com/devcenter/tsneed/cmder-making-the-command-line-your-best-friend

Leigh Brasington - CMDer Help
http://www.leighb.com/cmder.html

Kevin Wilson - Add VS Tools to Cmder
http://kwilson.me.uk/blog/add-visual-studio-2013-command-line-tools-to-cmder/


Kind of like MaciTerm 2, Dotfiles, Bash, Unix utils, Git helpers, and app-get or Homebrew - except for Windows. 

[Edited to clarify as suggested below]
[Edited to add additional links below]

https://github.com/cmderdev/cmder/issues/483



#softwaredevelopment   #coding   #code   #computerscience   #cmd   #cmder   #commandwindow   #console  

posted image

2015-11-06 19:31:35 (0 comments; 0 reshares; 4 +1s)Open 

Excellence and Innovation in International Education. Congratulations to our Director of International Affairs Dr. Jeff Foot and his team - earning Northwest an American Association of State Colleges and Universities (AASCU)’ Excellence and Innovation Award in International Education. 

http://www.youtube.com/watch?v=S3rcg6vdrIA&feature=youtu.be&t=4m22s

AASCU's Excellence and Innovation Awards honor member institutions for excellence and innovation in several major areas of campus life and leadership that are mission focused.

Advances in student success and college completion, regional and economic development, leadership development and diversity, and international education are honored with these awards.

The 2015 winners are:

Student Success and College Completion Awards: Cleveland State University (Ohio) and Western KentuckyUn... more »

Excellence and Innovation in International Education. Congratulations to our Director of International Affairs Dr. Jeff Foot and his team - earning Northwest an American Association of State Colleges and Universities (AASCU)’ Excellence and Innovation Award in International Education. 

http://www.youtube.com/watch?v=S3rcg6vdrIA&feature=youtu.be&t=4m22s

AASCU's Excellence and Innovation Awards honor member institutions for excellence and innovation in several major areas of campus life and leadership that are mission focused.

Advances in student success and college completion, regional and economic development, leadership development and diversity, and international education are honored with these awards.

The 2015 winners are:

Student Success and College Completion Awards: Cleveland State University (Ohio) and Western Kentucky University (Bowling Green, Ky.).

Regional and Economic Development Awards: Northern Arizona University (Flagstaff, Ariz.) and Washington State University Vancouver.

Leadership Development and Diversity Award: California State University, Long Beach and the University of West Georgia (Carrollton, Ga.). 

International Education Awards: California State University, Fresno and Northwest Missouri State University (Maryville, Mo.).

Check out some of the activity on the Northwest Masters of Applied Computer Science Facebook page: 

https://www.facebook.com/Northwest-MS-Applied-Computer-Science-207596409257323/timeline/

#nwmissouri   #international   #students   #excellence   #innovation   #stem #education___

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2015-11-02 12:50:38 (0 comments; 0 reshares; 5 +1s)Open 

Virus to fight cancer receives FDA approval, motorcycle-riding robot hits 100 kmph (no bike mods required) and more great news from this week's +SciTech Digest by +Mark Bruce.  

#sciencesunday    #science   #technology  #stem #robotics #medicine

SciTech #ScienceSunday Digest - 44/2015.
Permalink here: http://www.scitechdigest.net/2015/11/computational-acoustics-bcis-and-touch.html 

Computational acoustics, BCIs and touch, Activating membrane proteins, Superconductivity, Bike riding robot, Virus vs cancer, Rejuvenate immune system, Printing hair, Glass like steel, Triggering hair regrowth. 

1. Acoustic Holograms for Levitation
A phased array of 20 by 20 ultrasonic transducers with programmable relative phase modulation is capable of generating controlled, dynamic acoustic three dimensional structures in air http://spectrum.ieee.org/tech-talk/computing/hardware/acoustic-holograms-form-ultrasonic-tractor-beams-for-tiny-objects, with one of the key innovations being that you no longer need an identical array opposite to the first. These invisible structures made of sound can be used to pick up and move individual objects around, independently move separate objects around and interact with each other and can be thought of an acoustic tractor beams. Applying the array to the surface of the body would mean  picking up and moving things inside the body some depth below. No doubt there are lots of applications people haven’t even begun to think of. Computational acoustics was a doubly-interesting field this week with new algorithms able to optimise the specific vibrational acoustic design of custom 3D printed objects, demonstrated by creating a xylophone whose keys were different-shaped animals and yet produced the correct notes when struck http://engineering.columbia.edu/researchers-develop-algorithm-3d-print-vibrational-sounds, leading to promising sound enhancement or dampening applications in industry or consumer goods. 

2. BCIs and Prosthetic Sense of Touch
Yet more work (with the help of DARPA) and progress on the way to helping amputees experience a full range of touch sensations from their prosthetic limbs http://news.uchicago.edu/article/2015/10/26/creating-artificial-sense-touch-through-electrical-stimuli. With the help of electrode arrays implanted into the somatosensory cortex of monkeys the group measured many parameters and “just noticeable differences” and developed models able to induce a wide range of sensory experiences and near to real algorithms that work to provide nuanced experiences to humans. In related news we hear about a BCI allowing a patient to control a Nexus 9 tablet with her thoughts to communicate and perform google searches http://singularityhub.com/2015/10/25/scientists-connect-brain-to-a-basic-tablet-paralyzed-patient-googles-with-ease/. 

3. Activating Any Membrane Protein with Light
Using newly developed SNAP-tag technology cellular membrane proteins can be attached to linker molecules and chemical assemblies that stably switch bonds and isoforms when exposed to light, which can forcibly switch important membrane proteins on and off https://www.en.uni-muenchen.de/news/newsarchiv/2015/trauner_snaptag1.html. Seems this group has been developing the technology for a while now. In this demonstration they used a type of common G-protein-coupled-receptor to show it worked, but this is a modular tool that can be attached to any such membrane receptor. Similar to optogenetics this could be applied to study and more subtly control neurons or any type of cell in certain ways. For example, linked to certain receptors the activation of light could induce drug effects. 

4. Advances in Superconductivity
A new unexpected phase of matter was discovered in which the order is not described by scalar or vector properties but by more complex multi-polar orderings that involve magnetic quadrupoles http://www.caltech.edu/news/caltech-physicists-uncover-novel-phase-matter-48573. The material that exhibited this property was strontium-iridium oxide, which has structural similarities to copper-oxide-based “high-temperature” superconductors, and so this work helps to shed theoretical and experimental light on high temperature superconductivity in general, underlining the importance of uncovering new natural phenomena like this. In related news, the “conventional” superconductor hydrogen sulfide has been confirmed to superconduct up to a scorching minus 70 degrees C when subjected to extreme pressures http://www.technologyreview.com/view/542856/the-superconductor-that-works-at-earth-temperature/. 

5. Motorbike Riding Robot
In a surprise announcement this week Yamaha showed off the robot, called Motobot, that it has been developing that rides conventional motorcycles just like a human does http://www.wired.co.uk/news/archive/2015-10/29/yamaha-robot-motorbike-motobot-motogp-valentino-rossi. Motobot currently rides motorcycles at 100 kmph, but by 2017 they hope to have developed it to a stage where it can ride at 200 kmph and complete race circuits as well as or better than the best human riders. I’d certainly watch a better-than-human bot race. In news related to robots able to autonomously travel and navigate environments we have robots relocalising and 3D mapping environments for better autonomous navigation http://www.technologyreview.com/news/542816/a-drone-with-a-sense-of-direction/, and robots being given simulations of neuronal place and grid cells to help with better navigation http://www.technologyreview.com/news/542571/a-robot-finds-its-way-using-artificial-gps-brain-cells/. 

6. FDA Approves Virus vs Cancer
For the first time a virus engineered to help the body remove cancer cells has been granted approval by the FDA, initially for treating advanced melanoma http://www.nature.com/news/cancer-fighting-viruses-win-approval-1.18651. This is a trigger event for the field, which should boom over coming years with many other oncolytic viruses undergoing clinical trials against different types of cancers. This particular virus can enter healthy cells but is unable to replicate. When it enters cancer cells it produces proteins that target the cell for destruction by the immune system and activate an immune response against those cells elsewhere in the body. Future improvements should crack the systemic delivery problem. 

7. Multiple Methods to Rejuvenate the Immune System
FightAging! was on a roll this week with immune rejuvenation. First, resupplying young, engraftable thymic epithelial cells to an aged or defective thymus leads to thymic growth and increased T cell production and should lead to improved immune function https://www.fightaging.org/archives/2015/10/supplying-young-cells-to-an-involuted-thymus-produces-growth-and-increased-t-cell-production.php. Second, thymic epithelial cells can be boosted by increasing activity levels of a single gene and so rejuvenate the thymus for improved function https://www.fightaging.org/archives/2015/10/more-on-foxn1-in-the-aging-thymus.php. Third, specific cell-surface markers for exhausted T cells have been identified, which should allow targeted cell destruction to remove these defective cells so new ones can take their place https://www.fightaging.org/archives/2015/10/supplying-young-cells-to-an-involuted-thymus-produces-growth-and-increased-t-cell-production.php. Finally, a currently approved immunomodulatory drug (for asthma / allergy) appears to rejuvenate old rat brains and boost neuron growth https://www.newscientist.com/article/dn28384-old-rat-brains-rejuvenated-and-new-neurons-grown-by-asthma-drug/. 

8. 3D Printing Soft Strands & Hair
While at first glance this might appear to be a trivial development, the ability to reliably and precisely print (with very basic 3D printers) soft strands and artificial “hair” is pretty cool and useful http://www.gizmag.com/3d-printed-hair/40134/. The embedded video is worth a watch. Toys are the most trivial example of course, and probably custom wigs in future, but this will end up being great for at-home printing of toothbrushes, paint brushes, and washing scourers, while the ability to weave it means you can probably make custom ropes and twine using the method. 

9. Glass Nearly as Strong as Steel
Transparent “ultra” glass can now be made by creating a 50/50 alumina/glass mixture via a novel containerless processing method that involves synthesising the mixture in air http://gizmodo.com/japanese-researchers-make-glass-thats-nearly-unbreakabl-1739673940. The material is transparent and possesses a Young’s modulus comparable to steel and iron. While stronger windows in buildings and cars (military?) and also computers and phones are obvious and desirable applications, such a material might be formed into raw structural engineering components to enable entirely different and never-before-possible buildings to be constructed. 

10. Restarting Hair Regrowth
Two drugs that already have regulatory approval have been shown to be effective in kickstarting and boosting hair regrowth for baldness applications http://www.gizmag.com/fda-drug-hair-loss/40037/. While initially testing autoimmune causes of baldness, the team discovered that the drugs inhibit a specific protein in hair follicles, serving to reawaken hair follicles from a resting state, with bald mice regrowing hair over a 1- day period, with near-complete regrowth of hair after 3 weeks. Human studies and clinical trials will be the next step. 

Archive: http://www.scitechdigest.net/2015/11/computational-acoustics-bcis-and-touch.html___Virus to fight cancer receives FDA approval, motorcycle-riding robot hits 100 kmph (no bike mods required) and more great news from this week's +SciTech Digest by +Mark Bruce.  

#sciencesunday    #science   #technology  #stem #robotics #medicine

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2015-11-02 12:45:13 (0 comments; 13 reshares; 34 +1s)Open 

Brain-Machine interface opens the world.

#computerscience   #stem   #medicine  #brain #machine #interface

Awesome___Brain-Machine interface opens the world.

#computerscience   #stem   #medicine  #brain #machine #interface

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2015-11-02 12:18:47 (8 comments; 3 reshares; 31 +1s)Open 

This is Git. It tracks collaborative work on projects through a beautiful distributed graph theory tree model....  :)

http://xkcd.com/1597/

#xkcd #git #versioncontrol #computerscience #code   

Spot on, considering I finally switched to git from svn only 2 months ago for all our projects.

And the caption: If that doesn't fix it, git.txt contains the phone number of a friend of mine who understands git. Just wait through a few minutes of 'It's really pretty simple, just think of branches as...' and eventually you'll learn the commands that will fix everything.

http://xkcd.com/1597/___This is Git. It tracks collaborative work on projects through a beautiful distributed graph theory tree model....  :)

http://xkcd.com/1597/

#xkcd #git #versioncontrol #computerscience #code   

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2015-10-26 12:14:23 (1 comments; 0 reshares; 13 +1s)Open 

Whales and dolphins are placental mammals, like humans. If you go back in our respective family trees about 100 million years, you'll find our common ancestor [1].  With our knowledge of her descendants, we can predict her genomic sequence with high accuracy [2]. 

[1] https://en.wikipedia.org/wiki/Evolution_of_mammals#Molecular_phylogenetics_based_family_tree_of_placental_mammals

[2] http://news.nationalgeographic.com/news/2005/01/0125_050125_genome_2.html

#whales   #dophins   #mammals   #ocean   #playdate   #familytree  

Whales and dolphins are placental mammals, like humans. If you go back in our respective family trees about 100 million years, you'll find our common ancestor [1].  With our knowledge of her descendants, we can predict her genomic sequence with high accuracy [2]. 

[1] https://en.wikipedia.org/wiki/Evolution_of_mammals#Molecular_phylogenetics_based_family_tree_of_placental_mammals

[2] http://news.nationalgeographic.com/news/2005/01/0125_050125_genome_2.html

#whales   #dophins   #mammals   #ocean   #playdate   #familytree  ___

2015-10-15 03:38:00 (0 comments; 2 reshares; 7 +1s)Open 

Practical considerations for gathering name information on forms.

Why "first name / last name" doesn't cut it.

#enhancing #userexperience #webdesign

How to treat people's names in your systems, while being mindful of the differences in naming conventions around the world.

Splitting up names into first name, middle name, family name etc. doesn't always make sense when dealing with people around the world. It's smarter to ask for a formal (legal) name, and an informal (preferred) name for addressing them in things like emails or addressing them in person. If you send communications to them in their native language, you may also want to collect the name in their native script as well.

Don't assume that their names can be expressed in just the English alphabet either. UTF-8 support is ideal, but you could also just allow accented characters and punctuations such as hyphens, apostrophes and exclamation marks at the minimum.

Via +Jonathon Fowler ___Practical considerations for gathering name information on forms.

Why "first name / last name" doesn't cut it.

#enhancing #userexperience #webdesign

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2015-10-10 13:20:30 (2 comments; 0 reshares; 7 +1s)Open 

Photo quiz: California or Mars?  Can you tell them apart? 

From Southern California Public Radio:

http://www.scpr.org/news/2015/10/10/54930/photo-quiz-california-or-mars-can-tell-them-apart/

https://twitter.com/kpcc (@KPCC)

#mars #earth #spaceexploration   #boldlygo  

Photo quiz: California or Mars?  Can you tell them apart? 

From Southern California Public Radio:

http://www.scpr.org/news/2015/10/10/54930/photo-quiz-california-or-mars-can-tell-them-apart/

https://twitter.com/kpcc (@KPCC)

#mars #earth #spaceexploration   #boldlygo  ___

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2015-10-09 06:08:25 (0 comments; 3 reshares; 17 +1s)Open 

New Horizons Finds Blue Skies and Water Ice on Pluto

The first color images of Pluto’s atmospheric hazes, returned by NASA’s New Horizons spacecraft last week, reveal that the hazes are blue. “Who would have expected a blue sky in the Kuiper Belt? It’s gorgeous,” said Alan Stern, New Horizons principal investigator from Southwest Research Institute (SwRI), Boulder, Colorado.

“That striking blue tint tells us about the size and composition of the haze particles,” said science team researcher Carly Howett. “A blue sky often results from scattering of sunlight by very small particles. On Earth, those particles are very tiny nitrogen molecules. On Pluto they appear to be larger — but still relatively small — soot-like particles we call tholins.” (https://goo.gl/Ne1YIm)

Full story here:http://www.nasa.gov... more »

New Horizons Finds Blue Skies and Water Ice on Pluto

The first color images of Pluto’s atmospheric hazes, returned by NASA’s New Horizons spacecraft last week, reveal that the hazes are blue. “Who would have expected a blue sky in the Kuiper Belt? It’s gorgeous,” said Alan Stern, New Horizons principal investigator from Southwest Research Institute (SwRI), Boulder, Colorado.

“That striking blue tint tells us about the size and composition of the haze particles,” said science team researcher Carly Howett. “A blue sky often results from scattering of sunlight by very small particles. On Earth, those particles are very tiny nitrogen molecules. On Pluto they appear to be larger — but still relatively small — soot-like particles we call tholins.” (https://goo.gl/Ne1YIm)

Full story here:
http://www.nasa.gov/nh/nh-finds-blue-skies-and-water-ice-on-pluto

The image was taken by the New Horizons Ralph/Multispectral Visible Imaging Camera (MVIC). It was modified by software that combines information from blue, red and near-infrared images to replicate the color a human eye would perceive as closely as possible.

Read more about Ralph, LORRI and the other instruments here:
http://pluto.jhuapl.edu/Mission/Spacecraft/Payload.php

More on New Horizons:
http://www.nasa.gov/mission_pages/newhorizons/main/
https://en.wikipedia.org/wiki/New_Horizons

Image credit: PIA19964: Pluto's Blue Sky NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute http://goo.gl/acgxto

#science #pluto #newhorizons  #atmosphere #space #spaceexploration   #solarsystem   #nasa   #mvic  ___

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2015-10-04 12:27:56 (1 comments; 4 reshares; 9 +1s)Open 

How (and why) SpaceX will colonize Mars. Another interesting and informative "Wait But Why" article.

Contents

Part 1: The Story of Humans and Space

Part 2: Musk’s Mission

Part 3: How to Colonize Mars
→ Phase 1: Figure out how to put things into space
→ Phase 2: Revolutionize the cost of space travel
→ Phase 3: Colonize Mars

A SpaceX Future



In celebration of +ScienceSunday​​.

#spacex #mars #colonization #interplanetaryspecies #boldlygo

How (and why) SpaceX will colonize Mars. Another interesting and informative "Wait But Why" article.

Contents

Part 1: The Story of Humans and Space

Part 2: Musk’s Mission

Part 3: How to Colonize Mars
→ Phase 1: Figure out how to put things into space
→ Phase 2: Revolutionize the cost of space travel
→ Phase 3: Colonize Mars

A SpaceX Future



In celebration of +ScienceSunday​​.

#spacex #mars #colonization #interplanetaryspecies #boldlygo___

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2015-10-03 11:34:09 (3 comments; 4 reshares; 25 +1s)Open 

Postcard from Mars. Beautiful image of Mt. Sharp under a clear (white-balanced) sky.

Credit +NASA​ and +NASA Jet Propulsion Laboratory​.

#mars #spaceexploration #humansareamazing

NASA Mars Curiosity Rover's Location is Picture Perfect!
On Tuesday, Sept. 29, NASA's Curiosity Mars rover drilled its eighth hole on Mars, and its fifth since reaching Mount Sharp one year ago. The drilling of the hole 2.6-inches (65 millimeters) deep in a rock the team labeled "Big Sky" is part of a multi-day, multi-step sequence that will result in the analysis of the Martian rock's ingredients in the rover's two onboard laboratories—the Chemistry and Mineralogy X-Ray diffractometer (CheMin) and the Sample Analysis at Mars (SAM) instrument suite.

"With Big Sky, we found the ordinary sandstone rock we were looking for," said Curiosity Project Scientist Ashwin Vasavada. "It also happens to be relatively near sandstone that looks as though it has been altered by fluids—likely groundwater with other dissolved chemicals. We are hoping to drill that rock next, compare the results, and understand what changes have taken place."

The analyses of the Big Sky rock-powder samples by CheMin and SAM will occur over the next week. Meanwhile, the team will be turning the rover's attention and its wheels towards the second rock, where the sample analysis process will begin anew.

Curiosity is currently on the lower slopes of Mount Sharp in a region covered in sandstone called the Stimson Unit. Two weeks ago, still in the same general vicinity, Curiosity took a pair of long-range images toward higher regions of the mountain. In the foreground—about 2 miles (3 kilometers) from the rover—is a long ridge teeming with hematite, an iron oxide. Just beyond is an undulating plain rich in clay minerals. And just beyond that are a multitude of rounded buttes, all high in sulfate minerals. The changing mineralogy in these layers of Mount Sharp suggests a changing environment in early Mars, though all involve exposure to water billions of years ago. The Curiosity team hopes to be able to explore these diverse areas in the months and years ahead. Farther back in the image are striking, light-toned cliffs in rock that may have formed in drier times and now are heavily eroded by winds.

"The only thing more stunning than these images is the thought that Curiosity will be driving through those lower hills one day," Vasavada said. "We couldn't help but send a postcard back to all those following her journey."

Image Description: This composite image looking toward the higher regions of Mount Sharp was taken on September 9, 2015, by NASA's Curiosity rover. In the foreground—about 2 miles (3 kilometers) from the rover—is a long ridge teeming with hematite, an iron oxide.

NASA's Mars Science Laboratory Project is using Curiosity to assess ancient habitable environments and major changes in Martian environmental conditions. NASA's Jet Propulsion Laboratory, a division of Caltech, built the rover and manages the project for NASA's Science Mission Directorate in Washington.

For more information about Curiosity, visit www.jpl.nasa.gov/msl www.nasa.gov/msl and http://mars.jpl.nasa.gov/msl/

Credit: NASA/JPL-Caltech/MSSS

+NASA Jet Propulsion Laboratory ___Postcard from Mars. Beautiful image of Mt. Sharp under a clear (white-balanced) sky.

Credit +NASA​ and +NASA Jet Propulsion Laboratory​.

#mars #spaceexploration #humansareamazing

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2015-10-03 11:10:24 (4 comments; 18 reshares; 38 +1s)Open 

8,000 Apollo moon mission photos now online. "Every photo ever taken by Apollo astronauts on moon missions is now available online, on the Project Apollo Archive's Flickr account. That's about 8,400 images, ".

http://m.motherjones.com/mixed-media/2015/10/every-photo-taken-apollo-moon-missions-are-now-online

Thanks +NASA​ and +Betsy McCall​ for sharing.

#apollo #lunar #moon #pictures #images #photographs #nasa #humansareamazing

___8,000 Apollo moon mission photos now online. "Every photo ever taken by Apollo astronauts on moon missions is now available online, on the Project Apollo Archive's Flickr account. That's about 8,400 images, ".

http://m.motherjones.com/mixed-media/2015/10/every-photo-taken-apollo-moon-missions-are-now-online

Thanks +NASA​ and +Betsy McCall​ for sharing.

#apollo #lunar #moon #pictures #images #photographs #nasa #humansareamazing

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2015-10-01 00:31:49 (1 comments; 1 reshares; 6 +1s)Open 

Sounds like your device has a virus.

Even the sounds your computer makes can be used to identify the presence of malware. +Nextgov takes a look at a new DARPA effort to use acoustic and other emissions to protect the growing Internet of Things. #IoT #cybersecurity  ___Sounds like your device has a virus.

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2015-09-29 04:40:15 (0 comments; 1 reshares; 7 +1s)Open 

New dark matter candidate proposed. National lab physicists "combined theoretical and computational physics techniques and used the Laboratory’s massively parallel 2-petaflop Vulcan supercomputer to devise a new model of dark matter."

"The key to stealth dark matter’s split personality is its compositeness and the miracle of confinement. Like quarks in a neutron, at high temperatures these electrically charged constituents interact with nearly everything. But at lower temperatures they bind together to form an electrically neutral composite particle. Unlike a neutron, which is bound by the ordinary strong interaction of quantum chromodynamics (QCD), the stealthy neutron would have to be bound by a new and yet-unobserved strong interaction, a dark form of QCD.

“These interactions in the early universe are important because ordinary and dark matter abundancestoday... more »

New theory may explain the mystery of the Universe's missing mass!

Read more at:- https://www.llnl.gov/news/new-stealth-dark-matter-theory-may-explain-mystery-universes-missing-mass

       (Image credit: Lawrence Livermore National Laboratory)___New dark matter candidate proposed. National lab physicists "combined theoretical and computational physics techniques and used the Laboratory’s massively parallel 2-petaflop Vulcan supercomputer to devise a new model of dark matter."

"The key to stealth dark matter’s split personality is its compositeness and the miracle of confinement. Like quarks in a neutron, at high temperatures these electrically charged constituents interact with nearly everything. But at lower temperatures they bind together to form an electrically neutral composite particle. Unlike a neutron, which is bound by the ordinary strong interaction of quantum chromodynamics (QCD), the stealthy neutron would have to be bound by a new and yet-unobserved strong interaction, a dark form of QCD.

“These interactions in the early universe are important because ordinary and dark matter abundances today are strikingly similar in size, suggesting this occurred because of a balancing act performed between the two before the universe cooled,” said Pavlos Vranas of LLNL, and one of the authors of the paper, “Direct Detection of Stealth Dark Matter Through Electromagnetic Polarizability (link is external).” The paper appears in an upcoming edition of the journal Physical Review Letters and is an “Editor’s Choice.”

Excepts from: https://www.llnl.gov/news/new-stealth-dark-matter-theory-may-explain-mystery-universes-missing-mass.

Direct Detection of Stealth Dark Matter through Electromagnetic Polarizability

http://arxiv.org/abs/1503.04205

Lattice at Lawrence Livermore National Laboratory

https://lattice.llnl.gov/index.php

#darkmatter   #physics   #llnl   #darkQCD  

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2015-09-28 17:42:52 (0 comments; 0 reshares; 8 +1s)Open 

Liquid water on Mars. :)

[Edited to add link to AMA] "We're NASA Mars scientists. Ask us anything about today's news announcement of liquid water on Mars."

https://www.reddit.com/r/IAmA/comments/3mq1wl/were_nasa_mars_scientists_ask_us_anything_about/

#mars #spaceexploration #interplanetaryspecies

Exciting news from Mars. http://www.jpl.nasa.gov/news/news.php?feature=4722___Liquid water on Mars. :)

[Edited to add link to AMA] "We're NASA Mars scientists. Ask us anything about today's news announcement of liquid water on Mars."

https://www.reddit.com/r/IAmA/comments/3mq1wl/were_nasa_mars_scientists_ask_us_anything_about/

#mars #spaceexploration #interplanetaryspecies

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2015-09-27 17:26:07 (0 comments; 0 reshares; 5 +1s)Open 

View from the Maryville Fly-In. Beautiful day - thanks to the Hawk Road Flyers EAA Chapter 1540!

https://www.facebook.com/Hawk-Road-Flyers-EAA-Chapter-1540-116760308489087

#flyin #aviation #flight #borntofly



View from the Maryville Fly-In. Beautiful day - thanks to the Hawk Road Flyers EAA Chapter 1540!

https://www.facebook.com/Hawk-Road-Flyers-EAA-Chapter-1540-116760308489087

#flyin #aviation #flight #borntofly

___

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2015-09-24 12:20:10 (2 comments; 1 reshares; 9 +1s)Open 

Politics, Society, and the Law. Setting prices on life-saving treatments. Fascinating discussion on what is and ought to be illegal. Includes an interesting introduction on the challenging notion of what constitutes crime.

In the past few days, quite a few people asked me to write something about the case of Martin Shkreli, the hedge fund manager who acquired a pharmaceutical company and promptly raised the prices of various lifesaving drugs (which no competitor made) by four to five thousand percent. While there's a lot of interest in the economics of the situation (would a single-payer health care system prevent this?), I don't actually know enough about health care economics to have anything very interesting to say about that. But there's something else about this that I found interesting.

The large majority of people reacted to Shkreli's actions with profound revulsion. (Even before he decided to up the ante by answering a reporter's question about why he did this with "You're a moron.") There was a general sense that there oughta be a law, and many (I suspect) feel that the fact that there isn't, actually, a law about this points to a fundamental failure in our society.

The hard part about this is figuring out what that law ought to be.

The sense of revulsion is clearly not random. Shkreli's decision to raise prices (since reversed) would have netted him a handsome profit, at the expense of the lives of some patients who could no longer afford it, the health of other patients who would not take enough medicine, and the financial ruin of yet others who would be forced to pay hundreds of thousands of dollars in a year, or as much as they could before their finances gave out completely. It was "conduct that unjustifiably and inexcusably inflicts or threatens substantial harm to individual or public interests."

That last sentence is one that I've always found very interesting. It comes from the Model Penal Code, a 1962 attempt by a collaboration of jurists around the United States to write a reference standard for what criminal law should be. (No state uses it verbatim, but most states have since based their criminal codes on it) That sentence is an attempt to answer the question of "what is 'crime,' anyway?:" that is, what are the things that there oughta be a law against?

Most of the rest of the MPC is trying to put meat on that one sentence: what is justified? (It answers by starting from the concept of "necessity," and ideas such as self-defense and so on follow from that) What is excusable? (That is, can the person be held responsible for the act?) It's a fascinating discussion, but the key point in this is that the MPC's authors were attempting to capture a very fundamental question about what types of behavior society ought to defend itself against.

I think that most readers would agree that Shkreli's behavior very much fits within the bounds of that concept – the general notion of "what ought to be a crime." However, there's a second layer to making something a crime, which in this case is the hard part. 

The problem is that law in general, and criminal law in particular, is absolutely terrible at subtlety. It is possessed of big hammers and bigger hammers, and even a criminal investigation is a significant harm to someone. (Although our legal system works rather hard to pretend that it isn't, which is an issue for another day) And because we attempt to be "a nation of laws, not judges," we don't want laws (especially criminal laws) which are vague in their definition, and up to the whims of individual judges to interpret. There are very good reasons for that, of course: if law is up to judges, then the law becomes hard to predict, so everyone shies away from being even close to a gray area; it becomes subject to the personalities of judges, so knowing them becomes more important than knowing the law, and thus creates a situation rife for two tiers of justice.

So for a law to be useful, it needs to delineate a fairly clear category of conduct which is against the law, and which can be determined by the procedures of criminal investigation and trial to have happened or not to have happened.

And for this reason, it's fundamentally impossible, and even undesirable, for "what is legal" and "what is ethical" to coincide. The reason is that ethics are always situational: (sorry, Kant) that is, they depend on the totality of the circumstances surrounding the event. To take a simple example, if you say that "killing people is wrong," you're certain to be asked "well, what if someone is coming at you with an axe?," or "well, what if someone is coming at your family with an axe?" There are plenty of possible answers to this question, but each of them highlights that the abstract statement about killing must always be qualified with the possibility of situational modifiers. Laws, on the other hand, need to be specified clearly and crisply, so that they can be enforced, and their boundaries cannot pre-specify every possible situation.

As a result, we expect that there should be things which are both legal and ethical (say, giving people cookies) and things which are both illegal and unethical (say, hacking strangers to death with an axe). There should also be things which, while ethical, are illegal, and for good reason. (My favorite example of this is "killing Nazis," but I recognize that many people will argue the ethics of this with me. However, ethical or not, there's an excellent reason that it isn't legal for ordinary citizens to go around shooting people in the streets, which is that this would lead to utter chaos as everyone decided that they had a good reason to shoot someone different. The meta-purpose of having civil order outweighs the individual ethical value of killing some individual malefactor) And likewise, there are things which will be unethical, but still legal.

Sharp business practices will inevitably fall into this category, because it's impossible to enumerate ahead of time all of the ways in which people will attempt to cheat or rob one another. No matter where your laws are, so long as business is possible, someone will find a way to do something malicious. (And this is hardly specific to business; even if you ban that outright, extreme Bolshevik style, people will misuse one another in plenty of other ways)

I should note that this fourfold division is simply for the case where the law attempts to mimic justice as closely as possible; it's not even counting the fact that law is by no means constrained to do that, and can just as easily be a tool of injustice as of justice. (Its history is quite full of that)

Justice as an aim of law is a nontrivial statement: it implies that the purpose of having a rule of law, beyond the establishment of predictable civil order and predictable consequences for action, is to legitimize and stabilize the state monopoly on force by having the law act as a fair arbiter of disputes, so that people will be willing to accede to its decisions rather than take matters into their own hands. This is far from a universal concept: when those in power are secure enough in their power, they do not necessarily need any legitimization of their monopoly on force, and so law becomes simply an instrument of civil order, which includes the maintenance of their power. And conversely, we often see cases where this power is not universal but the law nonetheless fails at those aims, and indeed in those cases the result is a collapse of the state monopoly on force. It's no coincidence that criminal gangs, run by powerful warlords, tend to be powerful precisely in the places where people have good reason not to turn to the police for help.

But returning to the ideal case, where the law attempts to embody justice as closely as it can while still being equally predictable by all, we see that there will always be differences between the two concepts. And I strongly suspect that Shkreli's conduct is in one of those areas where the difference is most significant and will always be hardest to minimize.

The challenge would be to draft a law against what Shkreli did which doesn't either rely on knowledge of his mental state ("in order to make money at people's expense" – it seems exceptionally likely to all concerned that this is why he did it, but how would you go about defining that in a way that could be proven in a court?) or also bar practices which are rather important. (e.g., we probably don't want to say that it's illegal to have any business relating to a lifesaving good, or that any business which touches on such a thing is required to have its prices set by popular vote, because then we will have a sudden and significant lack of such businesses)

I haven't thought through the particulars of whether this case could be legislated against in depth, but I suspect most strongly that even if it could, a Shkreli2.0 would promptly show up and find some way around that, as well. The fact is that it is not possible for criminal law to defend against all ills, and we shouldn't expect it to.

So what should be done in such a case? Well, I'm tempted to suggest that an appropriate response would have been for him to get a good, swift kick in the nuts – another one of those actions which likely falls under "ethical, but illegal for good reason." (Although this may also raise the question of the category of "... but worth it anyway") 

What did end up happening, a public outcry which forced him to reverse his decision, is sort of a model of what you would like to happen in general: because while the law is constrained to be very black-and-white, social pressure is not. 

However, this is far from a reliable mechanism. First, it's not always effective: I'm still not certain why he decided to fold to public pressure in this case, as he doesn't seem overly concerned with being considered harmful. Second, it's often misaimed: how often does public pressure go against things which are simply unpopular? We should remember that one of the main reasons we have a Constitution and a judicial branch (and a rule of laws, rather than judges) is to try to prevent the rule of the majority from becoming the oppression of the minority – and even with all these mechanisms, our record on that is spotty to say the least. Essentially, a trust in social mechanisms alone is trust in a system which is as dangerous as the law itself; more flexible, but also far more unpredictable.

The only real answer, I think, is defense in depth: a combination of laws and social pressures which regulate one another, each understanding that the other will frequently fail, and each responsible for holding the other in check when they do.

The system worked in this case, as it fails in many others. It is nowhere near perfect. But it's at least a start.


Those who wish to read more about the Model Penal Code may find a good place to start in Markus Dubber's Criminal Law: Model Penal Code, (https://books.google.com/books/?id=dnhHAQAAIAAJ) one-third of which is the MPC itself, and the rest of which is a discussion of the whats and whys of the MPC, and a study of its reasoning. It's an invaluable tool in helping to understand the ideas underlying many theories of law and justice.

Those who like the "there are four kinds of..." approach to things in general may find a good place to continue in Pirkei Avot, a chapter of the Mishnah which consists of discussions of wisdom and ethics, and which heavily uses this style. It's available both online and in printed form at many places (e.g. http://www.chabad.org/library/article_cdo/aid/680274/jewish/Ethics-of-the-Fathers-Pirkei-Avot.htm), and there's an excellent introduction to it – really, a discussion of the underlying concepts of ethics and why we have them – by the Rambam. (https://books.google.com/books?id=xnW-moSXSrgC)___Politics, Society, and the Law. Setting prices on life-saving treatments. Fascinating discussion on what is and ought to be illegal. Includes an interesting introduction on the challenging notion of what constitutes crime.

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2015-09-23 05:37:02 (4 comments; 1 reshares; 9 +1s)Open 

Interplanetary migration.  It's going to take a few good men and women. "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars,' [+Elon Musk ]said. 'You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil."

http://www.outerplaces.com/science/item/9914-elon-musk-s-plans-for-sending-1-million-people-to-mars-for-500-000-each

http://www.vogue.com/13349221/elon-musk-profile-entrepreneur-spacex-tesla-motors/

http://finance.yahoo.com/news/best-way-colonize-mars-even-172407617.html

Colonization of Mars
https://en.wikipedia.org/wiki/Colonization_of_Mars

#... more »

Interplanetary migration.  It's going to take a few good men and women. "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars,' [+Elon Musk ]said. 'You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil."

http://www.outerplaces.com/science/item/9914-elon-musk-s-plans-for-sending-1-million-people-to-mars-for-500-000-each

http://www.vogue.com/13349221/elon-musk-profile-entrepreneur-spacex-tesla-motors/

http://finance.yahoo.com/news/best-way-colonize-mars-even-172407617.html

Colonization of Mars
https://en.wikipedia.org/wiki/Colonization_of_Mars

#mars  #elonmusk #interplanetarymigration___

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2015-09-19 16:58:39 (0 comments; 0 reshares; 5 +1s)Open 

A great visualization of how out of scale every picture of the solar system you've ever seen is: https://vimeo.com/139407849

A great visualization of how out of scale every picture of the solar system you've ever seen is: https://vimeo.com/139407849___

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2015-09-18 01:34:16 (5 comments; 3 reshares; 8 +1s)Open 

Computer system learns elements of spoken language without training.

#computationallinguistics #machinelearning

System learns to distinguish words’ phonetic components, without human annotation of training data.

Full open access research in Transactions of the Association for Computational Linguistics.___Computer system learns elements of spoken language without training.

#computationallinguistics #machinelearning

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2015-09-16 02:07:41 (10 comments; 9 reshares; 64 +1s)Open 

Good news for honeybees.

And the plants they pollinate. And us who depend on the pollinated plants. :)



Good news for honeybees.

And the plants they pollinate. And us who depend on the pollinated plants. :)

___

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2015-09-15 11:03:15 (0 comments; 1 reshares; 1 +1s)Open 

Editing DNA in living cells. Short (4-minute) animation.

"Clustered regularly interspaced short palindromic repeats (CRISPRs) technology employs a guide RNA to direct the Cas9 enzyme (light blue) to a target DNA sequence. Once there, Cas9 will bind when it finds a protospacer-adjacent motif sequence (red) in the DNA and cut both strands, priming the gene sequence for editing"

see also http://www.kurzweilai.net/the-crispr-controversy-faster-cheaper-gene-editing-vs-bioethicists___Editing DNA in living cells. Short (4-minute) animation.

posted image

2015-09-14 11:58:17 (1 comments; 0 reshares; 3 +1s)Open 

Developing a sustainable strategy for dealing with our changing world is critical. Less than 100 years from the "final solution" that resulted in World War II, we can see the signs developing again, and can work to find a new and better way forward. 

http://www.nytimes.com/2015/09/13/opinion/sunday/the-next-genocide.html

#climatechange   #economics   #genocide   #humanity  

Developing a sustainable strategy for dealing with our changing world is critical. Less than 100 years from the "final solution" that resulted in World War II, we can see the signs developing again, and can work to find a new and better way forward. 

http://www.nytimes.com/2015/09/13/opinion/sunday/the-next-genocide.html

#climatechange   #economics   #genocide   #humanity  ___

posted image

2015-09-04 21:51:27 (9 comments; 4 reshares; 42 +1s)Open 

Catalog of man-made material on the moon.  Includes a couple golf balls, a javelin, a falcon feather, and one hundred $2 bills.

Catalog
http://history.nasa.gov/FINAL%20Catalogue%20of%20Manmade%20Material%20on%20the%20Moon.pdf

First Lunar Olympics
http://abcnews.go.com/beta/US/40th-anniverary-golf-shot-moon/story?id=12834145
(The javelin is center-left, with the golf ball more left and not quite as far.)

About those Bills
http://www.jeffersonspacemuseum.com/apollo-15/

Jefferson Space Museum (great images)
http://www.jeffersonspacemuseum.com/

Image: credit +NASA  
Photo ID: AS14-66-9337
02/06/71
View of javelin and golf ball on lunar surface during Apollo 14 second extravehicular activity (EVA-2). Golf shot by Astronaut Alan B. Shepard Jr., Apollo 14 commander; javelin throw byAst... more »

Catalog of man-made material on the moon.  Includes a couple golf balls, a javelin, a falcon feather, and one hundred $2 bills.

Catalog
http://history.nasa.gov/FINAL%20Catalogue%20of%20Manmade%20Material%20on%20the%20Moon.pdf

First Lunar Olympics
http://abcnews.go.com/beta/US/40th-anniverary-golf-shot-moon/story?id=12834145
(The javelin is center-left, with the golf ball more left and not quite as far.)

About those Bills
http://www.jeffersonspacemuseum.com/apollo-15/

Jefferson Space Museum (great images)
http://www.jeffersonspacemuseum.com/

Image: credit +NASA  
Photo ID: AS14-66-9337
02/06/71
View of javelin and golf ball on lunar surface during Apollo 14 second extravehicular activity (EVA-2). Golf shot by Astronaut Alan B. Shepard Jr., Apollo 14 commander; javelin throw by Astronaut Edgar Mitchell.
http://images.jsc.nasa.gov/luceneweb/fullimage.jsp?photoId=AS14-66-9337

#moon #apollo #nasa   #spaceexploration   #lunarolympics  ___

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2015-09-04 11:44:48 (0 comments; 0 reshares; 8 +1s)Open 

A compositional framework for Markov processes (open continuous-time Markov chains).

#categorytheory   #networktheory   #markov  #circuits

Working hard

Here are two of my grad students, +Blake Pollard and +Brendan Fong, sitting in the Quantum Cafe at the +Centre for Quantum Technologies.  It may not look like it, but they're working hard!

The great thing about math and theoretical physics is that you can make real  progress by talking - and, of course, writing on the board.  Ideally, two or more people join to form a 'group mind' which is more intelligent than any one individual.  And it happened this summer!

We cracked a problem that had been bugging Blake and me for over a year.  How can you use category theory to describe the behavior of processes where a population of individuals hops randomly from state to state, but individuals can also come in from the 'outside world', or go back out? 

Imagine an office building where customers come in, wait in line, go to another line, and then walk back out.  Or a chemical reaction in a cell, where molecules can come into the cell from the outside, engage in various reactions, and other molecules go back out.  These analogies aren't perfect, but they give a rough idea of what we're studying. 

The analogy we really  used in our paper was to electrical circuits, where current can flow in and out.  Brendan and I had already shown that electrical circuits are morphisms of a category.  This is a great way to understand how you can build bigger circuits out of smaller pieces - and how the behavior of a big circuit can be understood in terms of those smaller pieces!  Now, together with Blake, we used that previous work to solve this new problem.

Anyway, I made Blake and Brendan work really hard, and we finished a paper, which is on the arXiv.   But if reading the paper seems like too much fun - for example, if you have a weak heart and your doctor has told you to avoid excitement - you can just read my blog article:

https://johncarlosbaez.wordpress.com/2015/09/04/a-compositional-framework-for-markov-processes/

After we mostly finished the paper, Brendan went back to Oxford.   Blake toured Borneo, Myanmar and southern China before going back to the US.   I'll stay here until classes start.  Then Blake and I will get back to work on this stuff. 

We're really just starting.  The ultimate goal is to develop a theory of networks that's good for understanding things like biochemistry.  That will take a while, but  think we can do it.___A compositional framework for Markov processes (open continuous-time Markov chains).

#categorytheory   #networktheory   #markov  #circuits

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2015-09-04 02:15:35 (0 comments; 0 reshares; 7 +1s)Open 

The Lifecycle of a[n Internet] Revolution. Black Hat 2015 keynote speech by Jennifer Granick, Director of Civil Liberties at the Stanford Center for Internet and Society. 

The End of the Internet Dream (Medium article)
https://medium.com/backchannel/the-end-of-the-internet-dream-ba060b17da61

Jennifer Granick
http://cyberlaw.stanford.edu/about/people/jennifer-granick

Related Articles
http://www.engadget.com/2015/08/04/a-chat-with-black-hats-unconventional-keynote-speaker/

http://www.darkreading.com/vulnerabilities---threats/from-the-black-hat-keynote-stage-jennifer-granick/d/d-id/1321562

Hacker's Manifesto (Phrack Magazine 1986)
http://phrack.org/issues/7/3.html

Summary Slide (Image from the Keynote)... more »

The Lifecycle of a[n Internet] Revolution. Black Hat 2015 keynote speech by Jennifer Granick, Director of Civil Liberties at the Stanford Center for Internet and Society. 

The End of the Internet Dream (Medium article)
https://medium.com/backchannel/the-end-of-the-internet-dream-ba060b17da61

Jennifer Granick
http://cyberlaw.stanford.edu/about/people/jennifer-granick

Related Articles
http://www.engadget.com/2015/08/04/a-chat-with-black-hats-unconventional-keynote-speaker/

http://www.darkreading.com/vulnerabilities---threats/from-the-black-hat-keynote-stage-jennifer-granick/d/d-id/1321562

Hacker's Manifesto (Phrack Magazine 1986)
http://phrack.org/issues/7/3.html

Summary Slide (Image from the Keynote)
https://twitter.com/vmbhatia/status/628975211220615168/photo/1?ref_src=twsrc%5Etfw

BlackHat USA 2015 (August)
https://www.blackhat.com/us-15/

Video
https://www.youtube.com/watch?v=Tjvw5fz_GuA&t=14m55s

[edited: formatting & organization, added link to related article "The End of the Internet Dream"]

#cybersecurity   #privacy   #freedom   #blackhat   #hacking  ___

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2015-09-02 02:09:24 (2 comments; 1 reshares; 14 +1s)Open 

Today marks an alarming record: for the first time in recorded history, there are three Category 4 hurricanes simultaneously moving across the Pacific Ocean. From left to right, these have been named Kilo, Ignacio, and Jimena; Ignacio is currently headed towards the Big Island of Hawaii, while the path of the other two isn't yet clear enough to know if any islands are in danger.

You can read more about it here: http://www.sciencealert.com/three-category-4-hurricanes-have-just-hit-in-pacific-ocean-at-the-same-time

h/t +Mike Clancy.

Today marks an alarming record: for the first time in recorded history, there are three Category 4 hurricanes simultaneously moving across the Pacific Ocean. From left to right, these have been named Kilo, Ignacio, and Jimena; Ignacio is currently headed towards the Big Island of Hawaii, while the path of the other two isn't yet clear enough to know if any islands are in danger.

You can read more about it here: http://www.sciencealert.com/three-category-4-hurricanes-have-just-hit-in-pacific-ocean-at-the-same-time

h/t +Mike Clancy.___

posted image

2015-09-01 03:05:37 (3 comments; 0 reshares; 11 +1s)Open 

Beautiful first day of school.   Welcome and welcome back to our Northwest Missouri State Bearcats! 

#nwms   #university   #BestLifeEver  

Beautiful first day of school.   Welcome and welcome back to our Northwest Missouri State Bearcats! 

#nwms   #university   #BestLifeEver  ___

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2015-08-30 16:34:12 (1 comments; 1 reshares; 7 +1s)Open 

Oliver Sacks Dies at 82; Neurologist and Author Explored the Brain’s Quirks. I've really enjoyed his books - Dr. Sacks had a true gift for describing some of the most unique examples of our human condition.

http://nyti.ms/1MVmNG3

Oliver Sacks Dies at 82; Neurologist and Author Explored the Brain’s Quirks. I've really enjoyed his books - Dr. Sacks had a true gift for describing some of the most unique examples of our human condition.

http://nyti.ms/1MVmNG3___

posted image

2015-08-28 20:54:44 (1 comments; 1 reshares; 10 +1s)Open 

In case you have not seen this yet. Martin Odersky's presentation entitled "The Trouble With Types" (2013). On slide 14, a landscape of programming languages is partitioned based on their type systems. Dart is in the category "cutting corners" :). An interesting presentation.

Slide: http://www.cs.ox.ac.uk/ralf.hinze/WG2.8/31/slides/martin.pdf
Talk: http://www.infoq.com/presentations/data-types-issues

In case you have not seen this yet. Martin Odersky's presentation entitled "The Trouble With Types" (2013). On slide 14, a landscape of programming languages is partitioned based on their type systems. Dart is in the category "cutting corners" :). An interesting presentation.

Slide: http://www.cs.ox.ac.uk/ralf.hinze/WG2.8/31/slides/martin.pdf
Talk: http://www.infoq.com/presentations/data-types-issues___

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