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David Andrews has been at 14 events

HostFollowersTitleDateGuestsLinks
Science on Google+823,949*Be curious. Question assumptions. Explore the world from atoms to astrophysics with Veritasium*. Join +Derek Muller of popular +YouTube Channel Veritasium on a journey to the beautiful, viral side of physics, hosted by Science on Google+ in honor of *YouTube Geek Week* (Aug 4-10). Our +Amy Robinson, +Jason Davison and +Nic Hammond will host, along with +Joe Hanson of +It's Okay To Be Smart and a few members of the community who ask Derek interesting questions on the event page.   The hangout happens on *Wednesday, August 7th at 5 pm US PT / 8 ET*. Derek will share why he creates Veritasium and how it has evolved into one of YouTube’s favorite sources of answers to epic science questions. He’ll also answer your questions so leave them here on the event page. You may be selected to join the hangout live and ask him in person.   Check out *Veritasium* on YouTube at http://veritasium.com   This is the third hangout in a new series that brings science to life through conversations with the world's leading minds. Join +Science on Google+: A Public Database for the latest events.Veritasium: A Science on Google+ Conversation2013-08-08 02:00:00242  
Slooh248,423ASTEROID ALERT! Slooh to Track Newly Discovered Near-Earth Object 2013 NE19 as it Whips by Earth on its Close Approach Discovered just days ago on July 15th, an asteroid estimated to be the size of a football field will make its closest approach to Earth on Monday, July 22nd. Discovered by Pan-STARRS in Haleakala, HI, NEO (near-Earth Object) 2013 NE19 will appear live on Slooh.com on July 22nd at 6 PM PDT / 9 PM EDT / 01:00 UTC (7/23) - International times here: http://goo.gl/B5Loj.  The free show will feature live narration by Slooh host Paul Cox and other astronomy experts. Viewers can watch live on their PC or mobile device, or by downloading the free Slooh iPad app in the iTunes store.  When: Monday, July 22nd Time: 6 PM PDT / 9 PM EDT / 01:00 UTC (7/23) - International times here: http://goo.gl/B5Loj Where: Slooh.com - FREE Download iPad app https://itunes.apple.com/us/app/slooh/id563694022?mt=8 #NE19 #asteroid #NEO Slooh to Track Newly Discovered Near-Earth Object 2013 NE192013-07-23 03:00:0027  
Slooh248,423Deep Sky Mysteries with Bob Berman  DID ANDROMEDA CRASH INTO THE MILKY WAY 10 BILLION YEARS AGO?  Live feeds from Canary Islands of Andromeda / M31 Time: Tuesday, July 16th - 5:30 PM PDT / 8:30 PM EDT / 00:30 UTC Where: www.slooh.com Download the iPad app and touch broadcast icon https://itunes.apple.com/us/app/slooh/id563694022?mt=8 ‪#‎andromeda‬ ‪#galaxy ‪#‎slooh‬ ‪#‎m31 ‪#‎milkywayDeep Sky Mysteries with Bob Berman2013-07-17 02:30:00110  
Slooh248,423Slooh Space Camera to Broadcast Live Feed of  Supernova Explosion in Spiral Galaxy NGC 4414 Slooh starts July off with a cosmic bang just in time for the 4th of July celebration in the United States. A spectacular supernova named “2013df”, discovered in June, and measuring as bright as 13 magnitude, has erupted in the spiral galaxy NGC 4414, and Slooh Space Camera will capture this amazing event live on Tuesday, July 2nd, on Slooh.com, free to the public, starting at 4 PM PDT / 7 PM PM EDT / 23:00 UTC - International times here: http://goo.gl/hf0vt . Viewers can watch live on their PC/Mac/Mobile device or by downloading the free Slooh iPad app in the iTunes store and touching the broadcast icon. #supernova #slooh #NGC4414 Download the Slooh app https://itunes.apple.com/us/app/slooh/id563694022?mt=8Supernova Explosion in Spiral Galaxy NGC 44142013-07-03 01:00:00338  
Slooh248,423Slooh Space Camera to Broadcast Live Feed of the Full Perigee “Supermoon” in HD THE SKY WILL KICK OFF SUMMER WITH 2013's BIGGEST FULL MOON. On the morning of June 23rd, 2013, in North America, the full Moon will be at its closest point to Earth of the entire year, known to astronomers as a perigee-syzygy Moon, and will appear about 12% larger in diameter than when it’s at the other side of its orbit, as it was on June 9th.  Slooh Space Camera will cover the supermoon phenomenon on Sunday, June 23rd,  live on Slooh.com, free to the public,  starting at 6 PM PDT / 9 PM PM EDT / 01 UTC (6/24) - International times here: http://goo.gl/DXoo7 - viewers can watch live on their PC/MAC/Mobile device or by downloading the free Slooh iPad app in the iTunes store and touching the broadcast icon. Download the iPad app www.appstore.com/slooh #supermoon #slooh #lunar #moon #perigeeSupermoon with Slooh2013-06-24 03:00:00337  
Slooh248,423Two months ago, on March 17th, 2013, a small space rock weighing just 88 pounds (40kg), travelling at 56,000 miles per hour, smashed into the lunar surface creating a flash so bright that viewers looking at the Moon at the moment of impact could have seen the explosion.  Slooh Space Camera will broadcast a free, real-time feed of the lunar impact site at Mare Imbrium on Wednesday,  May  22nd starting at 6:00 PM PDT / 9:00 PM EDT / 01:00 UTC (May 23) - additional times here: http://goo.gl/IT5sR -  with observatory feeds from their world class observatory site in Canary Islands off the coast of Africa. Viewers can watch live on their PC/MAC or by downloading the free Slooh iPad app in the iTunes store and touching the broadcast icon.Slooh's Coverage of the Lunar Impact Site2013-05-23 03:00:00128  
Slooh248,423*Slooh Space Camera to Broadcast Annular Solar Eclipse with Ring of Fire live from Australia* Slooh Space Camera will broadcast a free, real-time view of the *Annular Solar Eclipse* from Australia.  Viewers can capture a first look of the eclipse on Slooh.com, Thursday, May 9th starting at 2:30 PM PDT / 5:30 PM EDT / 21:30 UTC as the Moon’s shadow begins its journey over Australia on its way to eastern Papua New Guinea, the Solomon Islands, the Gilbert Islands, and finally over the Pacific Ocean. *Viewers can watch live on their PC/MAC or by downloading the free Slooh iPad app in the iTunes store and touching the broadcast icon.* The Slooh broadcast team, along with Bob Berman, author of numerous astronomy books, and contributing editor and monthly columnist for Astronomy magazine, will provide live commentary.  As a special treat, Slooh will broadcast an additional feed of the Sun from the Prescott Solar Observatory, a fantastic facility located in Arizona - giving viewers a unique look of the Sun from the other side of the world. *Download the free Slooh iPad App:* www.appstore.com/slooh *Slooh Annular Eclipse Video:* http://youtu.be/_MZQRFIxJiY #solareclipse   #ringoffire   #eclipse   #annulareclipse   #sun   #moon   #lunar   #slooh   #hangoutsonair  Slooh's Coverage of Annular Solar Eclipse2013-05-09 23:30:00356  
Slooh248,423Join Paul Cox as he explores a recent supernova in galaxy NGC 7331 - live from Canary Islands.  Sunday, May 5th 6 PM PDT / 9 PM EDT / 01:00 UTC (5/6) Show begins at t-minus zero. Free on Slooh homepage or download the Slooh iPad app. Slooh iPad app www.appstore.com/slooh #space #astronomy #supernova   #galaxy  Slooh's Coverage of Supernova in Galaxy NGC 73312013-05-06 03:00:00138  
Slooh248,423Slooh will provide a live feed of Comet ISON from the Canary Islands zipping through space as it heads towards the Sun and Earth - prior to its encounters in late November and December respectively.  Show begins 2 PM PDT / 5 PM EDT / 21 UTC, Tuesday, April 30th with Slooh broadcast team. Slooh.com - watch live on PC/Mac or download the Slooh iPad app Slooh iPad App www.appstore.com/sloohComet ISON Preview - Live from Canary Islands2013-04-30 23:00:00164  
Slooh248,423Slooh Space Camera to Broadcast Live Feed of Saturn Opposition  Slooh Space Camera will broadcast a free, real-time feed of Saturn at opposition, with the giant planet's rings impressively angled -- its best in six years.  Slooh’s coverage will begin on Sunday, April 28th starting at 6:30 PM PDT / 9:30 PM EDT / 01:30 UTC (April 29th) - additional times here: http://goo.gl/nbtul -  with observatory feeds from their world class observatory site in Canary Islands off the coast of Africa. Viewers can watch live on their PC/MAC or by downloading the free Slooh iPad app in the iTunes store and touching the broadcast icon. Slooh will have an intriguing panel of experts throughout the event, including Bob Berman, author of numerous astronomy books and contributing editor and monthly columnist for Astronomy Magazine, and Slooh engineer, Paul Cox, who will be controlling the Slooh telescopes robotically from the UK. Slooh iPad App www.appstore.com/slooh #slooh   #saturn   #spacecamera   #space  Slooh - Saturn Opposition2013-04-29 03:30:00230  
Slooh248,423*Edit:* We're also broadcasting an earlier show to talk about not only the live coverage of *NEO 2012 DA14*, but also the *Russian Meteor* that caused widespread damage and injury earlier today: http://goo.gl/lEr6K *Slooh Space Camera* to track *Near-Earth Asteroid 2012 DA14* Skimming by Earth at only 17,000 miles (27,330 km) away! Slooh Space Camera will cover its close-approach on Friday, February 15th, with several live shows on Slooh.com, free to the public, starting at 6 PM PST / 9 PM EST / 02:00 UTC (2/16) - International times here: http://goo.gl/ythGd Live images of the asteroid will be accompanied by real-time discussions with Slooh Space Camera’s @113293976957750950702, astronomer and author @113626134166794461798, and Prescott Observatory manager, @115675623930642893029. Viewers can watch live on their PC or iOS/Android mobile device. If you have any questions, you can open the _Slooh Conversations_ box on the slooh.com homepage during the show, or you can send your questions to @113293976957750950702 at coxy@slooh.com #astronomy   #asteroid   #asteroid2012da14   #meteor   #russianmeteor  Slooh's Live Coverage of Asteroid 2012 DA142013-02-16 03:00:00744  
Slooh248,423Slooh Space Camera to Broadcast Live Feed of Jupiter’s Closest Approach to Earth -- during Great Red Spot Transit Slooh Space Camera will broadcast a free, real-time feed of Jupiter on the night it's at its closest to Earth until the summer of 2021. This happens just as the famous cyclonic storm, the Great Red Spot, parades across the middle of the giant planet's disk.     Slooh’s coverage of Jupiter at its brightest and biggest will begin on Sunday, December 2nd starting at 5:15 PM PST / 8:15 PM EST / 01:15 UTC (December 3rd) with real-time views from Slooh’s Canary Islands observatory. The event is free to the public on Slooh.com and viewers can watch live on their PC or IOS/Android mobile device. Slooh’s Jupiter event will be hosted by Slooh’s President, Patrick Paolucci, and will  be joined by astronomer Bob Berman. Bob and Patrick will explore the astronomical importance of Jupiter, the current and already funded future spacecraft missions, the intriguing possibilities of life in the Jovian satellite system, and even the odd, powerful decametric radio signals beamed from the fast-spinning world. Jupiter will be about 378 million miles (608 million km) away from Earth on the night of December 2nd/3rd with a brilliant magnitude -2.8 that makes it by far the most dazzling object in the midnight sky, after the Moon. It is currently visible throughout the night. Weather permitting, backyard telescopes should be able to see some surface detail including the dark equatorial belts and yellow-white zones. The Slooh live feeds, however, will also reveal deep blue deeper regions around the equator, the dark lightning-prone polar detail, and the most famous storm in the solar system, the Great Red Spot, which is more than twice the size of Earth. Jupiter Close Approach with Great Red Spot Transit2012-12-03 02:15:00349  
Slooh248,423A fantastic, one-of-a-kind celestial happening will occur on Tuesday, October 23rd as Comet 168P/Hergenrother and Comet C/2012 J1 (Catalina) will pass each other in space like ships in the night - but only during a very narrow viewing window.   Slooh Space Camera will provide live coverage of this spectacular event on Tuesday, October 23rd live on Slooh.com, free to the public starting at 2PM PDT / 5PM EDT / 21:00 UTC - accompanied by real-time discussions with Slooh President, Patrick Paolucci, Slooh Outreach Coordinator, Paul Cox, and Astronomy Magazine columnist, Bob Berman. Viewers can watch live on their PC or IOS/Android mobile device.   Slooh was first alerted to this unusual event by long-time Slooh member, Maynard Pittendreigh, as he and other members have been tracking both comets.  The comets will appear close in the sky to fall within the reach of a single field-of-view of Slooh's robotic telescopes.  The pair will have an apparent separation of 43.5-arcminutes, as shown in this sky chart: http://goo.gl/hq8hK Comet 168P/Hergenrother has been through a number of "outbursts" over the last 6-weeks.  Each of these unexpected increases in brightness has been witnessed and actively imaged by Slooh members.  The outbursts could be a sign that the comet nucleus is starting to break apart, which is why the comet is being observed every night by Slooh members. Comet C/2012 J1 (Catalina) has been a superb contrast to Hergenrother; exhibiting a far more stable and expected increase in brightness as it orbits the Sun.  Both comets have shown relatively bright comas and small tails.Comets Converging in the Night-Sky2012-10-23 23:00:00303  
Slooh248,423Dear Slooh Friends, Sorry for the late notice, but we will be tracking newly discovered Asteroid 2012 TC4, which is only 59,000 miles away from Earth - about .25 Lunar Distances! Discovered by Pan-STARRS observatory in Hawaii on October 4th, 2012,  Asteroid 2012 TC4 will make its close approach to Earth this week. Slooh Space Camera will cover its near-approach on Thursday, October 11th,  live on Slooh.com, free to the public, starting at 2:30 PM PDT / 5:30 PM EDT / 21:30 UTC - accompanied by real-time discussions with Slooh President, Patrick Paolucci, Slooh Outreach Coordinator, Paul Cox, and Astronomy Magazine columnist, Bob Berman. Viewers can watch live on their PC or IOS/Android mobile device.   Viewers will be in for a special surprise as Asteroid TC4 will be in the same field of view as the planet Neptune during Slooh’s live coverage.  Asteroid 2012 TC4 is estimated to be about 100 feet long (30 meters), which is as tall as a ten story building. At close approach, the asteroid will only be about 0.25  Lunar Distances from Earth (about 88,000 kilometers / 59,000 miles). #asteroid   #astronomy   #sloohNewly Discovered Asteroid 2012 TC4 - only 59,000 miles from Earth!2012-10-11 23:30:00261  

Shared Circles including David Andrews

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Activity

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

6
comments per post
1
reshares per post
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344
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Top posts in the last 50 posts

Most comments: 11

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2015-11-15 22:05:31 (11 comments; 1 reshares; 11 +1s)Open 

Shared from a private post.

I was appalled by the events of Friday in Paris, I was also appalled by Beirut on Thursday. I'm appalled by the state of the world.

If you are sharing anti Muslim bullshit in my feed then kindly remove me from your circles.

I stand with Paris, Beirut, the innocent people of Syria, Afghanistan, Iraq and the people of the world.

#paris #beirut 

Most reshares: 3

posted image

2015-08-31 17:41:25 (0 comments; 3 reshares; 13 +1s)Open 

Italian artist Giuseppe Penone removes the growth rings on a tree to reveal the tree at a younger age.
#trees +Jack Bringloe 

Most plusones: 27

posted image

2015-05-28 21:05:03 (8 comments; 0 reshares; 27 +1s)Open 

Stacked lenticular glory
#cloudwars  

Just before sunset looking South. It is the topography of the Colorado Rocky Mountains that sculpted this weather front, stretching about 100 miles to the horizon.
Unfortunately, I couldn't wait for the sunset to paint it.

Latest 50 posts

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2016-01-27 22:05:23 (4 comments; 1 reshares; 4 +1s)Open 

With just a few years of science, more than a millennium of dogma had been overthrown
old ideas were shown to be only approximations of a deeper truth about reality

Enjoying my personalized copy of +Ethan Siegel's new book!
An educational tour through the history of discovery, and the evolution of our understanding.
From our first questions about the night sky, how we began the continuing journey that has carried our understanding Beyond the Galaxy. 

With just a few years of science, more than a millennium of dogma had been overthrown
old ideas were shown to be only approximations of a deeper truth about reality

Enjoying my personalized copy of +Ethan Siegel's new book!
An educational tour through the history of discovery, and the evolution of our understanding.
From our first questions about the night sky, how we began the continuing journey that has carried our understanding Beyond the Galaxy. ___

posted image

2016-01-25 21:02:17 (8 comments; 0 reshares; 14 +1s)Open 

12 years ago today

For billions of years, the only sound was the wind, blowing across the vast expanses of a lifeless alien landscape.
Then one day, multiple sonic booms announce the arrival of a visitor. What a marvelous sound that was! After peering at it for thousands of years - we had finally arrived.

When this machine finally grinds to a halt on the frozen surface of another planet, it will sit in mute testimony of a creatures struggle to better understand.
I expect a monument will eventually be erected around that spot, commemorating the little robot explorer that could.

Via +Martin Rundkvist​

___12 years ago today

For billions of years, the only sound was the wind, blowing across the vast expanses of a lifeless alien landscape.
Then one day, multiple sonic booms announce the arrival of a visitor. What a marvelous sound that was! After peering at it for thousands of years - we had finally arrived.

When this machine finally grinds to a halt on the frozen surface of another planet, it will sit in mute testimony of a creatures struggle to better understand.
I expect a monument will eventually be erected around that spot, commemorating the little robot explorer that could.

Via +Martin Rundkvist​

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2016-01-14 19:36:04 (3 comments; 0 reshares; 8 +1s)Open 

Weapons Grade Intellects
I have encountered here on G+ have contributed so much of what makes this network valuable to me.
The educational potential of Google plus was something I didn't anticipate.

Big fan of this guy, a theoretical astrophysicist and professor who is a science writer and prolific poster here on G+. The depths of theoretical astrophysics would be lost on me if it weren't for Ethan's ability to break it down into bite-sized pieces that I can easily comprehend.
In passing I mentioned my interest in his new book, and being a follower of his efforts here, I expressed interest in an autographed copy - understanding that this was outside of the established retail structure.
BAM!

Interaction with replies to posts is what makes a rock star here.
Thank you +Ethan Siegel​!

So, I heard you didn't just want my book, but that you wanted a copy autographed and shipped anywhere in the world, immediately, for your own consumption? (Or, perhaps, as a gift for the right person in your life?)

Here's how!___Weapons Grade Intellects
I have encountered here on G+ have contributed so much of what makes this network valuable to me.
The educational potential of Google plus was something I didn't anticipate.

Big fan of this guy, a theoretical astrophysicist and professor who is a science writer and prolific poster here on G+. The depths of theoretical astrophysics would be lost on me if it weren't for Ethan's ability to break it down into bite-sized pieces that I can easily comprehend.
In passing I mentioned my interest in his new book, and being a follower of his efforts here, I expressed interest in an autographed copy - understanding that this was outside of the established retail structure.
BAM!

Interaction with replies to posts is what makes a rock star here.
Thank you +Ethan Siegel​!

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2015-12-07 18:44:56 (1 comments; 0 reshares; 14 +1s)Open 

Pastel shades of evening

Pastel shades of evening___

2015-12-05 23:48:18 (0 comments; 0 reshares; 2 +1s)Open 


Greetings!
Soon to own a 40w GlowForge, pleased to find a community.

Clicked "Join", but don't seem to have the ability to comment..?

Looking forward to learning and sharing the journey.

Edit: I do see some posts where comments a re available


Greetings!
Soon to own a 40w GlowForge, pleased to find a community.

Clicked "Join", but don't seem to have the ability to comment..?

Looking forward to learning and sharing the journey.

Edit: I do see some posts where comments a re available___

posted image

2015-11-21 17:59:00 (3 comments; 1 reshares; 4 +1s)Open 

Look around
Recognize the historical parallel.

Listen to your humanity - not your fear.
Fear is their most powerful weapon.

Nabbed from a friend on facebook, but i agree wholeheartedly .___Look around
Recognize the historical parallel.

Listen to your humanity - not your fear.
Fear is their most powerful weapon.

posted image

2015-11-15 22:05:31 (11 comments; 1 reshares; 11 +1s)Open 

Perspective

Shared from a private post.

I was appalled by the events of Friday in Paris, I was also appalled by Beirut on Thursday. I'm appalled by the state of the world.

If you are sharing anti Muslim bullshit in my feed then kindly remove me from your circles.

I stand with Paris, Beirut, the innocent people of Syria, Afghanistan, Iraq and the people of the world.

#paris #beirut ___Perspective

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2015-11-04 18:21:20 (5 comments; 0 reshares; 6 +1s)Open 

Ever seen a grown man cry?

My eyes did water as I contemplated severing my 35 years of support and association with the National Geographic Society, but it is my intellect that weeps.

The National Geographic Society has long stood for science, research, and investigation. Murdoch’s companies have long stood against all three. The two positions would be in conflict, save Murdoch’s company is firmly in control. The editorial changes will therefore be severe, and erode the 127 years of publication excellence. For the men and women who brought National Geographic to worldwide prominence, the termination of employment is a tragic end both for hard-working people, and for National Geographic itself.___Ever seen a grown man cry?

My eyes did water as I contemplated severing my 35 years of support and association with the National Geographic Society, but it is my intellect that weeps.

2015-10-29 22:26:52 (0 comments; 0 reshares; 0 +1s)Open 

*Ever wonder where the designation came from?*

*Ever wonder where the designation came from?*___

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2015-10-23 19:45:54 (0 comments; 0 reshares; 20 +1s)Open 

This cloud seems undecided...

This cloud seems undecided...___

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2015-10-20 22:52:28 (7 comments; 0 reshares; 2 +1s)Open 

2,110 Megapixels

Zoom in on individual faces.
Remember those pictures of the Boston bombers? Yeah, pretty hard to hide these days...

2,110 Megapixels

Zoom in on individual faces.
Remember those pictures of the Boston bombers? Yeah, pretty hard to hide these days...___

posted image

2015-10-19 15:45:38 (11 comments; 1 reshares; 10 +1s)Open 

Robotic evolution

With the muscle of hydraulics and the computational capacity of gigahertz, this image borders on alarming...

The future is NOW!___Robotic evolution

With the muscle of hydraulics and the computational capacity of gigahertz, this image borders on alarming...

posted image

2015-10-18 15:18:44 (5 comments; 0 reshares; 24 +1s)Open 

Red sky at morning

Sailors take warning - says the old tale.

Forecast of rain says the supercomputers.


Red sky at morning

Sailors take warning - says the old tale.

Forecast of rain says the supercomputers.
___

posted image

2015-10-14 13:35:38 (1 comments; 0 reshares; 6 +1s)Open 

The ingredients aren't found outside

Cultivate gratitude, happiness follows naturally.

Via +Giovanni Ranzo​

___The ingredients aren't found outside

Cultivate gratitude, happiness follows naturally.

Via +Giovanni Ranzo​

2015-10-13 00:03:02 (0 comments; 0 reshares; 2 +1s)Open 

Two minutes but you can't blink

Yeah, ok you're going to blink, so watch it twice.

Two minutes but you can't blink

Yeah, ok you're going to blink, so watch it twice.___

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2015-10-05 20:40:27 (0 comments; 0 reshares; 4 +1s)Open 

A Genetic Journey

The information we have gathered from archaeology and paleoanthropology regarding human migration suggests a storyline but leaves many pages missing.

Turns out every step in the journey, every fork in the road - is written in a drop of blood.

Thanks to +Lacerant Plainer

A Genetic Journey

The information we have gathered from archaeology and paleoanthropology regarding human migration suggests a storyline but leaves many pages missing.

Turns out every step in the journey, every fork in the road - is written in a drop of blood.

Thanks to +Lacerant Plainer___

posted image

2015-09-19 23:44:57 (2 comments; 1 reshares; 4 +1s)Open 

+Elon Musk  is a catalyst. Watch the world change around him

This guy is going to drag us all into the future, with the petrochemical industry bringing up the rear.

"Oh yeah, did I mention they make cars too?"
The article is an informative short read.

+Elon Musk  is a catalyst. Watch the world change around him

This guy is going to drag us all into the future, with the petrochemical industry bringing up the rear.

"Oh yeah, did I mention they make cars too?"
The article is an informative short read.___

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2015-09-05 21:17:04 (7 comments; 0 reshares; 7 +1s)Open 

The other side of Humanity

Could it be any clearer, their struggle just paid off.

Via +Casey McKinnon 

This brought tears to my eyes. Go, Germany! (via +Amy Shaughnessy)___The other side of Humanity

Could it be any clearer, their struggle just paid off.

Via +Casey McKinnon 

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2015-08-31 17:41:25 (0 comments; 3 reshares; 13 +1s)Open 

Dendrochronology Unwrapped

Via +Jesse Powell​

Italian artist Giuseppe Penone removes the growth rings on a tree to reveal the tree at a younger age.
#trees +Jack Bringloe ___Dendrochronology Unwrapped

Via +Jesse Powell​

posted image

2015-08-26 16:57:50 (2 comments; 1 reshares; 3 +1s)Open 

How clever

Via +Scott Montague​

BullseyeBore  = vtipná pomôcka na kolmé vŕtanie

(via http://www.ohgizmo.com/2015/08/24/bullseyebore-helps-you-drill-in-a-straight-line/ )___How clever

Via +Scott Montague​

posted image

2015-08-13 22:43:27 (2 comments; 1 reshares; 4 +1s)Open 

GMO'd Baby

The modern watermelon is undeniably pretty unnatural—though as unnatural goes, it’s got competition. Sweet corn, which went from an inch-long, tooth-cracking cluster of kernels on its ancestral teosinte to the foot-long, mouth-wateringly sweet corn-on-the-cob of today

According to an Australian chemist, watermelon once was a very different fruit—until humans got ahold of it, that is. #FutureofFood___GMO'd Baby

The modern watermelon is undeniably pretty unnatural—though as unnatural goes, it’s got competition. Sweet corn, which went from an inch-long, tooth-cracking cluster of kernels on its ancestral teosinte to the foot-long, mouth-wateringly sweet corn-on-the-cob of today

posted image

2015-08-11 23:47:53 (2 comments; 0 reshares; 14 +1s)Open 


Art in moisture



Art in moisture
___

posted image

2015-07-31 18:02:43 (1 comments; 0 reshares; 3 +1s)Open 

How to Grow a Planet

A fascinating journey through the evolutionary adaptation of flowers, how it drove ours - and every other land dwelling creature.
You will never see a flower - or the rest of the world the same way again.

Thanks to +Lacerant Plainer​

How flowers changed the world : Flowers appeared on Earth about 130 million years ago. Before flowers, land plants evolved from a group of green algae, perhaps as early as 510 million years ago, but the evolution of the seed which was deployed for dispersal made plants ubiquitous. And this helped to increase the concentration of Oxygen in the atmosphere. Do watch this video which is kind of fantastic : https://www.youtube.com/watch?v=pXydMRoL9RU (How to grow a planet with prof Iain Stewart.

Recently evolved : If all Earth's history were compressed into an hour, flowering plants would exist for only the last 90 seconds. But once they took firm root about 100 million years ago, they swiftly diversified in an explosion of varieties that established most of the flowering plant families of the modern world.

It's why we exist : Today flowering plant species outnumber by twenty to one those of ferns and cone-bearing trees, or conifers, which had thrived for 200 million years before the first bloom appeared. As a food source flowering plants provide us and the rest of the animal world with the nourishment that is fundamental to our existence. In the words of Walter Judd, a botanist at the University of Florida, "If it weren't for flowering plants, we humans wouldn't be here."

Evolution and Innovation : What allowed flowering plants to dominate the world's flora so quickly? What was their great innovation? Early angiosperms got their start on the margins. In a world dominated by conifers and ferns, these botanical newcomers managed to get a toehold in areas of ecological disturbance, such as floodplains and volcanic regions, and adapted quickly to new environments. Fossil evidence leads some botanists to believe that the first flowering plants were herbaceous, meaning they grew no woody parts. (The latest genetic research, however, indicates that most ancient angiosperm lines included both herbaceous and woody plants.) Unlike trees, which require years to mature and bear seed, herbaceous angiosperms live, reproduce, and die in short life cycles. This enables them to seed new ground quickly and perhaps allowed them to evolve faster than their competitors, advantages that may have helped give rise to their diversity.

Flashy is better : Casting pollen to the wind is a hit-or-miss method of reproduction. Although wind pollination suffices for many plant species, direct delivery by insects is far more efficient. Insects doubtless began visiting and pollinating angiosperms as soon as the new plants appeared on Earth some 130 million years ago. But it would be another 30 or 40 million years before flowering plants grabbed the attention of insect pollinators by flaunting flashy petals.

References and Sources:

http://science.nationalgeographic.com/science/prehistoric-world/big-bloom/

http://sciencenetlinks.com/science-news/science-updates/flowers-rainfall/

http://www.smithsonianmag.com/science-nature/how-flowers-changed-world-ecosystems-art-galleries-180956110/

https://en.wikipedia.org/wiki/Evolution_of_plants

Gif courtesy (Tumblr) : https://goo.gl/SB578A___How to Grow a Planet

A fascinating journey through the evolutionary adaptation of flowers, how it drove ours - and every other land dwelling creature.
You will never see a flower - or the rest of the world the same way again.

Thanks to +Lacerant Plainer​

posted image

2015-06-25 04:53:11 (0 comments; 2 reshares; 8 +1s)Open 

Like Father, like Son (poor kid)

An accomplished metallurgical and materials engineer, he apparently suffers the same affliction as his father - a restless creativity that begs expression. He finds that release in the form of steel and a plasma torch.

Cut from 1/16" steel, the detail is awesome! Great style that has a dramatic effect on an empty wall space.
Have an idea that needs to be released? He had this one, along with his others at:
https://www.etsy.com/shop/StormForgeSteelArt?ref=hdr_shop_menu

In spite of notification posted at the entrance of our community that solicitation is prohibited, it doesn't stop the guys at my door asking if I would be interested in...
I get it, It's tough. They are only trying to earn an honest living, but when the doorbell rings, my teeth clinch - and my inner Logan wants out. :)



Like Father, like Son (poor kid)

An accomplished metallurgical and materials engineer, he apparently suffers the same affliction as his father - a restless creativity that begs expression. He finds that release in the form of steel and a plasma torch.

Cut from 1/16" steel, the detail is awesome! Great style that has a dramatic effect on an empty wall space.
Have an idea that needs to be released? He had this one, along with his others at:
https://www.etsy.com/shop/StormForgeSteelArt?ref=hdr_shop_menu

In spite of notification posted at the entrance of our community that solicitation is prohibited, it doesn't stop the guys at my door asking if I would be interested in...
I get it, It's tough. They are only trying to earn an honest living, but when the doorbell rings, my teeth clinch - and my inner Logan wants out. :)

___

posted image

2015-06-17 16:58:19 (0 comments; 1 reshares; 6 +1s)Open 

Twinkle Twinkle

Interesting to note that "bright" refers to the amount of detectable radiation, not visible light.
At such extreme distance, what was emitted as xray and ultraviolet is red shifted below the threshold of visible light down into the infrared and microwave.

Nothing there for our eyes - Without the instruments we have built to extend our senses, we wouldn't see them at all.

Thanks to William Herschel, investigating the spectrum displayed by a prism with a thermometer, he discovered that his thermometer registered a temperature increase in the dark, below the the red end - the infrared. A frequency we cannot see, but we sense as heat.

He proved the electromagnetic spectrum extended beyond visible light, and discovered a frequency that could "see" through obscuring dust and would show us much of the Universe that was... more »

CR7 - Best Observational Evidence of First Generation Stars in the Universe

Astronomers using ESO’s Very Large Telescope have discovered by far the brightest galaxy yet found in the early Universe and found strong evidence that examples of the first generation of stars lurk within it. These first generation stars were the creators of the first heavy elements, necessary to forge the stars around us today and the planets that orbit them. The newly found galaxy, labelled Cosmos Redshift 7 (CR7), is three times brighter than the brightest distant galaxy known up to now.

Full story here:
http://www.eso.org/public/news/eso1524/

More on Cosmos Redshift 7 (CR7):
https://en.wikipedia.org/wiki/Cosmos_Redshift_7

More on Metallicity:
https://en.wikipedia.org/wiki/Metallicity

Paper:
http://arxiv.org/pdf/1504.01734.pdf

Image credit: Artist's impression of CR7 ESO/M. Kornmesser http://bit.ly/1N2A3qE CC BY 4.0 http://bit.ly/1Jtf3Jr

#science   #astronomy   #cr7   #cosmosredshift7   #galaxy   #metallicity   #starformation   #vlt   #space   #populationiii  ___Twinkle Twinkle

Interesting to note that "bright" refers to the amount of detectable radiation, not visible light.
At such extreme distance, what was emitted as xray and ultraviolet is red shifted below the threshold of visible light down into the infrared and microwave.

Nothing there for our eyes - Without the instruments we have built to extend our senses, we wouldn't see them at all.

Thanks to William Herschel, investigating the spectrum displayed by a prism with a thermometer, he discovered that his thermometer registered a temperature increase in the dark, below the the red end - the infrared. A frequency we cannot see, but we sense as heat.

He proved the electromagnetic spectrum extended beyond visible light, and discovered a frequency that could "see" through obscuring dust and would show us much of the Universe that was invisible to us - including galaxies so far away that their blazing energy is reduced to the lowest frequencies that we can barely detect.

Thanks to +Pierre Markuse

posted image

2015-06-04 22:14:07 (4 comments; 0 reshares; 4 +1s)Open 

The glow on the bottom shines through the void created by the rising thermal that is pushing moisture skyward.

#cloudwars  

The glow on the bottom shines through the void created by the rising thermal that is pushing moisture skyward.

#cloudwars  ___

posted image

2015-06-04 00:20:06 (2 comments; 0 reshares; 14 +1s)Open 

My emberglow '66

polished paint film - zero clear coat

My emberglow '66

polished paint film - zero clear coat___

posted image

2015-06-04 00:15:54 (0 comments; 0 reshares; 6 +1s)Open 

Soft light in the evening sky

#cloudwars  

Soft light in the evening sky

#cloudwars  ___

posted image

2015-05-28 21:05:03 (8 comments; 0 reshares; 27 +1s)Open 

Stacked lenticular glory
#cloudwars  

Just before sunset looking South. It is the topography of the Colorado Rocky Mountains that sculpted this weather front, stretching about 100 miles to the horizon.
Unfortunately, I couldn't wait for the sunset to paint it.

Stacked lenticular glory
#cloudwars  

Just before sunset looking South. It is the topography of the Colorado Rocky Mountains that sculpted this weather front, stretching about 100 miles to the horizon.
Unfortunately, I couldn't wait for the sunset to paint it.___

posted image

2015-05-26 20:00:54 (0 comments; 0 reshares; 15 +1s)Open 

The atmosphere of Colorado choreographs a new dance, often several times a day

The atmosphere of Colorado choreographs a new dance, often several times a day___

posted image

2015-05-26 18:30:56 (0 comments; 0 reshares; 7 +1s)Open 

Australopithecus to Einstein. It was just a matter of time

 A journey of untold time, life "forever dying, to be born anew" - a new animal emerges.  

 For this creature, being capable of walking upright presents the opportunity that his powerful hands and arms are free to explore the possibilities.

 An event in our ancient history that led to more articulate use of our hands, inevitably leading to increased dexterity and larger brain development to support those functions. The toolmaker. 

This inquisitive, intrepid creature would relentlessly explore and strive to understand. It would learn to document it's discoveries that others of a different time might also know, and carry the exploration forward. It's children would claw from the Earth ore that it would refine, alloy and manipulate.

 Eventually it would harness theelectrom... more »

Space Shuttle Rising
Image Credit: +NASA
http://apod.nasa.gov/apod/ap150524.html

What's that rising from the clouds? The space shuttle. Sometimes, if you looked out the window of an airplane at just the right place and time, you could have seen something very unusual -- a space shuttle launching to orbit. Images of the rising shuttle and its plume became widely circulated over the web shortly after Endeavour's final launch in 2011 May. The above image was taken from a shuttle training aircraft by NASA and is not copyrighted. Taken well above the clouds, the image can be matched with similar images of the same shuttle plume taken below the clouds. Hot glowing gasses expelled by the engines are visible near the rising shuttle, as well as a long smoke plume. A shadow of the plume appears on the cloud deck, indicating the direction of the Sun. The US Space Shuttle program concluded in 2011, and Endeavour can now be visited at the California Science Center.

+Astronomy Picture of the Day (APoD)​___Australopithecus to Einstein. It was just a matter of time

 A journey of untold time, life "forever dying, to be born anew" - a new animal emerges.  

 For this creature, being capable of walking upright presents the opportunity that his powerful hands and arms are free to explore the possibilities.

 An event in our ancient history that led to more articulate use of our hands, inevitably leading to increased dexterity and larger brain development to support those functions. The toolmaker. 

This inquisitive, intrepid creature would relentlessly explore and strive to understand. It would learn to document it's discoveries that others of a different time might also know, and carry the exploration forward. It's children would claw from the Earth ore that it would refine, alloy and manipulate.

 Eventually it would harness the electromagnetic spectrum, and the power of the atom. Engineering elements of the periodic table into materials, devices and systems that would govern processes and perform according to the laws of physics it had discovered and described. 

Of it's acquired knowledge and understanding it would craft a great ship, climb aboard - and ride it into the heavens.

" Man will one day stand on the earth as one would stand on a stepping stool, and with laughter reach out amidst the stars." - H.G. Wells

Via +TOR WALKER​​​

posted image

2015-05-26 00:17:30 (0 comments; 0 reshares; 17 +1s)Open 

Greetings.
I live on the Colorado front range, and the systems spilling over the Rockies encounter the thermals of the plains - and regularly put on a show.

Greetings.
I live on the Colorado front range, and the systems spilling over the Rockies encounter the thermals of the plains - and regularly put on a show.___

posted image

2015-05-25 23:49:55 (1 comments; 0 reshares; 7 +1s)Open 

We Remember

We Remember___

2015-05-24 21:14:37 (2 comments; 0 reshares; 2 +1s)Open 

(Looks like) I fished it out of the Mediterranean

Ended up with a 5'x5' 400lb. slab of travertine made into a tabletop, and needed to make a base for it.

Looking for some corroded steel, the scrap yard had just taken in a bunch of old boiler pipes from a coal fired power plant... it was perfect! 
3" pipe, 1/4 wall thickness.
Scanning the yard, there was a pile of steel rod in the same state.
I loaded a 10 foot piece of the pipe and several rods, 1/2" and 1/4".

The yard man watching me load this nasty scrap stood there scratching his head.
"You MUST be making some art..."

The first pic is the state I found it in, the second is the pipe after a 24 hour bath in muriatic acid, a dilute solution of hydrochloric.
Look at that wonderful texture!

This was one of those times when the finished... more »

(Looks like) I fished it out of the Mediterranean

Ended up with a 5'x5' 400lb. slab of travertine made into a tabletop, and needed to make a base for it.

Looking for some corroded steel, the scrap yard had just taken in a bunch of old boiler pipes from a coal fired power plant... it was perfect! 
3" pipe, 1/4 wall thickness.
Scanning the yard, there was a pile of steel rod in the same state.
I loaded a 10 foot piece of the pipe and several rods, 1/2" and 1/4".

The yard man watching me load this nasty scrap stood there scratching his head.
"You MUST be making some art..."

The first pic is the state I found it in, the second is the pipe after a 24 hour bath in muriatic acid, a dilute solution of hydrochloric.
Look at that wonderful texture!

This was one of those times when the finished product turned out even better than the mental image that inspired me.
Sometimes you get lucky...___

posted image

2015-05-24 21:07:44 (2 comments; 1 reshares; 10 +1s)Open 

Looks like I fished it out of the Mediterranean

Ended up with a 5'x5' 400lb. slab of travertine made into a tabletop, and needed to make a base for it.
Looking for some corroded steel, the scrap yard had just taken in a bunch of old boiler pipes from a coal fired power plant... it was perfect! 
3" pipe, 1/4 wall thickness.
Scanning the yard, there was a pile of steel rod in the same state.
I loaded a 10 foot piece of the pipe and several rods, 1/2" and 1/4".

The yard man watching me load this nasty scrap stood there scratching his head.
"You MUST be making some art..."

The first pic is the state I found it in, the second is the pipe after a 24 hour bath in muriatic acid, a dilute solution of hydrochloric.
Look at that wonderful texture!

This was one of those times when the finished product... more »

Looks like I fished it out of the Mediterranean

Ended up with a 5'x5' 400lb. slab of travertine made into a tabletop, and needed to make a base for it.
Looking for some corroded steel, the scrap yard had just taken in a bunch of old boiler pipes from a coal fired power plant... it was perfect! 
3" pipe, 1/4 wall thickness.
Scanning the yard, there was a pile of steel rod in the same state.
I loaded a 10 foot piece of the pipe and several rods, 1/2" and 1/4".

The yard man watching me load this nasty scrap stood there scratching his head.
"You MUST be making some art..."

The first pic is the state I found it in, the second is the pipe after a 24 hour bath in muriatic acid, a dilute solution of hydrochloric.
Look at that wonderful texture!

This was one of those times when the finished product turned out even better than the mental image that inspired me.
One of a kind. Sometimes you get lucky...___

posted image

2015-05-23 02:07:18 (3 comments; 0 reshares; 11 +1s)Open 

Where I spend a great deal of my time.

Where I spend a great deal of my time.___

posted image

2015-05-18 15:57:32 (0 comments; 1 reshares; 3 +1s)Open 

Seeing it, and Understanding it are two entirely different perspectives

With a fundamental understanding, you will never see a sunset the same way again.
That comprehension enhances the beauty and wonder of the experience and adds a new dimension to an event we have grown to take for granted. We see it with new eyes now.

Thanks to our robotic explorers, I have seen what a sunset looks like on a distant planet, and how different it is from ours.
I have seen these pictures online for a while - But now they hold a new significance, thanks to this gift from +Brian Koberlein​​.
Those like he and +Ethan Siegel​​ who devote their valuable time for no other reason than to share their understanding, and introduce us to the inherent wonder we are immersed in and oblivious to.
Seeing it, and understanding it are two entirely different perspectives.

Ican'... more »

Two Worlds, One Sun

There’s an image going around of a blue sunset on Mars. Yes, it’s a real image, and yes, the colors are reasonably true to life. It was taken by the Curiosity rover in April. Given that sunsets on Earth are typically red, how does Mars get a blue sunset? It all has to do with the way light scatters in the atmospheres of Earth and Mars.

Earth has a relatively thick atmosphere, so most of the atmospheric scattering occurs when light strikes a molecule of air, known as Rayleigh scattering. Rayleigh scattering occurs when the object a photon scatters off (the air molecule) is much smaller than the wavelength of the photon. The closer the wavelength is to the size of the molecule, the more likely it is to scatter. This means that red wavelengths (which are the longer wavelengths of visible light) don’t scatter with air molecules much, while blue wavelengths (which are shorter) tend to scatter a lot. In fact blue light is almost 10 times more likely to scatter against air molecules than red light. This is why the sky appears blue, since so much of the blue light is scattered.

When the Sun is low in the sky, it’s light has to travel a long path through the atmosphere to reach you. As the light travels through the atmosphere some of the photons are scattered off the air molecules. When the photons scatter off air molecules, they scatter randomly in all directions, so usually when a photon scatters, it scatters away from your line of sight. Since blue photons scatter much more often than red ones, much of the blue light is scattered away. This leaves red photons to reach your eye. Hence the Sun looks red when low in the sky. When the Sun is overhead, the path it takes to reach you is much shorter, so only a bit of the blue light is scattered. So the Sun looks yellow.

Mars has a much thinner atmosphere, so the amount of Rayleigh scattering is much less. But Mars also has a dry, dusty surface, and a weaker surface gravity, so the atmosphere of Mars is often filled with fine dust particles. These particles are more comparable in size to the wavelengths of visible light, so most of the light is scattered by Mie scattering. One of the main differences between Rayleigh and Mie scattering is that Rayleigh scattering tends to occur in all directions, but Mie scattering varies with scattering angle. What this means is that longer wavelengths (reds) tend to scatter more uniformly, while shorter wavelengths (blues) tend to scatter at slight angles. This means that blue light tends to be deflected less than red light. This means Mars can have a dusty red daytime sky, and a blue sunset.

Mie scattering does occur on Earth as well, but since Mie scattering is less efficient than Rayleigh scattering it’s never strong enough to give us a blue sunset. It can (rarely) produce a blue moon. The most widespread incidence of modern history occurred after the eruption of Krakatoa in 1883, which sent so much ash into the atmosphere it produced brilliantly red sunsets and visibly blue moons all across the globe for nearly two years. As a result, the phrase “once in a blue moon” came to mean a rare occurrence.___Seeing it, and Understanding it are two entirely different perspectives

With a fundamental understanding, you will never see a sunset the same way again.
That comprehension enhances the beauty and wonder of the experience and adds a new dimension to an event we have grown to take for granted. We see it with new eyes now.

Thanks to our robotic explorers, I have seen what a sunset looks like on a distant planet, and how different it is from ours.
I have seen these pictures online for a while - But now they hold a new significance, thanks to this gift from +Brian Koberlein​​.
Those like he and +Ethan Siegel​​ who devote their valuable time for no other reason than to share their understanding, and introduce us to the inherent wonder we are immersed in and oblivious to.
Seeing it, and understanding it are two entirely different perspectives.

I can't help but feel privileged witnessing our progress. Even Carl Sagan never saw a sunset on Mars!

2015-05-12 16:59:57 (1 comments; 0 reshares; 4 +1s)Open 

There is your penny NASA

A friend of mine, +Roger Spaeth​​ mentioned the little check boxes on our federal income tax forms that allow you to contribute to organizations -
He thought adding one for NASA was a good idea. I think it's a great idea!



There is your penny NASA

A friend of mine, +Roger Spaeth​​ mentioned the little check boxes on our federal income tax forms that allow you to contribute to organizations -
He thought adding one for NASA was a good idea. I think it's a great idea!

___

posted image

2015-05-08 18:29:32 (3 comments; 0 reshares; 3 +1s)Open 

Precession

One of the three Milankovitch cycles
Eccentricity (orbital shape) a 400,000 year cycle.
Obliquity (orbital tilt) a 41,000 year cycle.
Precession, this picture, (rotational axis wobble) around 26,000 year cycle.

Dynamics in the earth's orbit and rotation that affect climate, and the effects of resonance between them can range from ice ages to global tropics.

Thanks to +Tammy Gordin​

When Vega is North
Image Credit & Copyright: Miguel Claro | Dark Sky Alqueva
http://apod.nasa.gov/apod/ap150508.html

In only about 12,000 years Vega will be the North Star, the closest bright star to our fair planet's North Celestial Pole. By then, when you fix your camera to a tripod long exposures of the night sky will show the concentric arcs of star trails centered on a point near Vega as Earth rotates on its axis. Of course, presently the bright star conveniently near the North Celestial Pole is Polaris, but that will change as the Earth's axis of rotation precesses, like the wobble of a spinning top with a precession period of about 26,000 years. If your camera is ready now and you don't want to wait 12,000 years for Vega to be the North Star, consider this ingenious demonstration of contemporary star trails (left) versus star trails reminiscent of the year 14000 CE. Both were recorded this April at the Alqueva Dark Sky Reserve in Alentejo, Portugal. To produce the more Vega-centric star trails of the distant future, astronomer Miguel Claro combined the rotation of two startracking camera mounts to create the apparent shift in planet Earth's North Celestial Pole.___Precession

One of the three Milankovitch cycles
Eccentricity (orbital shape) a 400,000 year cycle.
Obliquity (orbital tilt) a 41,000 year cycle.
Precession, this picture, (rotational axis wobble) around 26,000 year cycle.

Dynamics in the earth's orbit and rotation that affect climate, and the effects of resonance between them can range from ice ages to global tropics.

Thanks to +Tammy Gordin​

posted image

2015-05-08 17:47:22 (4 comments; 0 reshares; 0 +1s)Open 

Excellent science read

Cosmic rays, antimater, time dialation...

"You see, there might not be a limit to the energies we can give to protons in the Universe: you can accelerate charged particles using magnetic fields, and the largest, most active black holes in the Universe could give rise to protons with energies even greater than the ones we’ve observed!

But they have to travel through the Universe to reach us, and the Universe — even in the emptiness of deep space — isn’t completely empty. Instead, it’s filled with large amounts of cold, low-energy radiation: the cosmic microwave background!"

The most energetic particles we find are up to ten million times greater than the energies we make at the LHC, but no greater than that. Come find out why!___Excellent science read

Cosmic rays, antimater, time dialation...

posted image

2015-05-08 16:30:40 (0 comments; 1 reshares; 3 +1s)Open 

Immune privileged

I had no idea there were organs that are insulated from immune response.

___Immune privileged

I had no idea there were organs that are insulated from immune response.

posted image

2015-05-07 18:37:26 (0 comments; 1 reshares; 6 +1s)Open 

I have used these little wonders in my shop/studio for a decade. That vice grip like hold is adjustable and you can put a serious hold down on something.

The best application I use it for is the bench pin on my jewelers bench. I have made platforms for my vices, mandrels and several other devices besides the different profile bench pins I use allowing quick change and reconfiguration of the work area.
They are great!

NEW PRODUCTS - Toggle Clamp - Medium Flip-up Style / Toggle Clamp - Small Flip-down Style

Toggle Clamp - Medium Flip-up Style - https://www.adafruit.com/products/2456

Toggle Clamp - Small Flip-down Style - https://www.adafruit.com/products/2459

Ka-thunk Pin down that little PCB with our Toggle Clamps, a sturdy and reliable way to quickly press and release with precision! A pogo-pin bed is a great way to connect and test boards without any soldering, but you have to somehow get that PCB aligned right and evenly pressed down on each pogo. After much experimenting, we settled on these toggle clamps and we them all the time in our testing processes.

These beauties are strong enough to grip onto a PCB, but the rounded rubber tip ensures that they won’t mar or damage any circuits. You’ll need to bolt it securely, then attach the rubber nub with the included hex nuts. The height of the nub can be adjusted, as can the location along the clamp.

Toggle Clamp - Medium Flip-up Style - https://www.adafruit.com/products/2456

Toggle Clamp - Small Flip-down Style - https://www.adafruit.com/products/2459

Both are in stock and shipping now!
#newproducts   #tools   #testequipment   #clamps  ___I have used these little wonders in my shop/studio for a decade. That vice grip like hold is adjustable and you can put a serious hold down on something.

The best application I use it for is the bench pin on my jewelers bench. I have made platforms for my vices, mandrels and several other devices besides the different profile bench pins I use allowing quick change and reconfiguration of the work area.
They are great!

posted image

2015-05-06 06:18:07 (3 comments; 0 reshares; 2 +1s)Open 

A reflection of what was, on the edge of being gone

So the furthest objects we will be able to see are the ones that were emitting in the highest frequencies - gamma. So red shifted that it is "seen" by our instruments as radio frequencies.
We are reaching the threshold of what is possible to detect...
Until super long wave radio allows us see even further into a diminishing, ever receding fossil radiation.

"Whereas Hubble struggles to get to wavelengths as long as one micron, the James Webb Space Telescope (JWST) will get all the way down to about 30 microns with better sensitivity than anything else that’s come before, with better resolution and some six times the light-gathering power of Hubble!"

You might think that, when it comes to finding the most distant objects in the Universe, all we need is a good telescope, to leave the shutter open, and wait. As we accumulate more and more photons, we’re bound to find the most distant, faint objects out there. Sure, Hubble just broke its own cosmic distance record, but it's certainly not the most distant. Thinking so misses an important fact: the Universe is expanding! And with that expansion, the wavelength of the light we can see gets redshifted. Ultraviolet light winds up in the infrared, infrared light winds up in the microwave, and the most distant galaxies that are out there are invisible, even to Hubble. Here are Hubble's limits, and how the James Webb Space Telescope will overcome them.___A reflection of what was, on the edge of being gone

So the furthest objects we will be able to see are the ones that were emitting in the highest frequencies - gamma. So red shifted that it is "seen" by our instruments as radio frequencies.
We are reaching the threshold of what is possible to detect...
Until super long wave radio allows us see even further into a diminishing, ever receding fossil radiation.

posted image

2015-05-01 17:38:21 (3 comments; 3 reshares; 9 +1s)Open 

The prophet of renewable energy

A higher ideal than a thinner smartphone and another round of profits for a massive company.
Utilities take note, evolve or perish beneath Tesla's heel as it blazes a trail into the future.
This guy is exemplary in how you spend a fortune - for the benefit of the entire planet and it's future.

H/to +Hudson Ansley​

Elon Musk is quite literally working to save the planet. 

http://www.theverge.com/2015/5/1/8527543/elon-musk-tesla-battery-feels___The prophet of renewable energy

A higher ideal than a thinner smartphone and another round of profits for a massive company.
Utilities take note, evolve or perish beneath Tesla's heel as it blazes a trail into the future.
This guy is exemplary in how you spend a fortune - for the benefit of the entire planet and it's future.

H/to +Hudson Ansley​

posted image

2015-04-29 19:12:28 (1 comments; 1 reshares; 3 +1s)Open 

___

posted image

2015-04-20 05:04:06 (0 comments; 1 reshares; 4 +1s)Open 

To Infinity and Beyond

"We’ve managed to zoom in by more than a factor of 10^200, or more than a googol squared, and we still find this same self-similarity, and the same remarkable, intricate structures. There are ideas that perhaps the Universe is self-similar like this, but if it is, there’s a finite limit: the largest observable scales are “only” 92 billion light years or so (from one edge of the observable Universe to the other), while the smallest theoretical scale, the Planck scale, is down at around 10^-35 meters. All told, this is just 62 orders of magnitude, which doesn’t even account for the fact that non-gravitational forces begin to play important roles on scales the size of galaxies and smaller."

Mandelbrot zooms now surpass the scale of the entire observable Universe, and show no signs of loss of complexity or detail as they do. Lose yourself in these visuals, or celebrate 4/20 a little early, as is your wont.___To Infinity and Beyond

posted image

2015-04-10 00:06:06 (0 comments; 0 reshares; 5 +1s)Open 

Fun with electricity - at 10,000 FPS
with a little fluid dynamics thrown in as a bonus. 

It would be neat to compare this to a gas shielded weld without the spatter of flux.

Fun with electricity - at 10,000 FPS
with a little fluid dynamics thrown in as a bonus. 

It would be neat to compare this to a gas shielded weld without the spatter of flux.___

posted image

2015-03-27 18:12:33 (4 comments; 1 reshares; 9 +1s)Open 

A new tool maker

Via +Andrea Pavlovic​

___A new tool maker

Via +Andrea Pavlovic​

Buttons

A special service of CircleCount.com is the following button.

The button shows the number of followers you have directly on a small button. You can add this button to your website, like the +1-Button of Google or the Like-Button of Facebook.






You can add this button directly in your website. For more information about the CircleCount Buttons and the description how to add them to another page click here.

David AndrewsCircloscope