
Johnathan Chung
Create. Discover. Inspire.
Occupation: Learn more. Do better.
His ProfilesRankThis is the rank of 'Johnathan Chung' out of all Google+ Profiles.: 1,423 (GenderRankFor the gender 'Men'.: 794)
Followers: 44,180
Following: 0
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Johnathan Chung has been shared in 240 public circles
Activity
Average numbers for the latest postings:
6 comments per posting'Current posts' means the last 50 posts that are at the most 4 weeks old. So this metric gives a picture of how many comments someone has received recently.
19 reshares per posting'Current posts' means the last 50 posts that are at the most 4 weeks old. So this metric gives a picture of .how often someone's posts have been reshared lately.
27 +1's per posting'Current posts' means the last 50 posts that are at the most 4 weeks old. So this metric gives a picture of how many +1's someone has received on his or her posts recently.
2,481 characters per posting'Current posts' means the last 50 posts that are at the most 4 weeks old. So this metric gives a picture of how many characters someone has used per post recently.
Latest postings

2013-06-16 04:03:57 (10 comments, 1 reshares, 25 +1s)
Can your eyes tell the difference between Ultra & Full HDTV?
Someone asked the question above, and the answer is, it depends :) Generally yes, but when would you be able to detect a significant difference?
Whether or not you can distinguish between individual pixels on the screen depends on viewing distance and size of the display.
Visual acuity of 20/20 means at 20 feet away, you can clearly see separate lines printed 1.75mm apart, which subtend to 1 arcminute of "angular size" at your eye [1] (an arcminute is 1/60th of a degree). You can calculate how close you would need to be to actually detect certain specified distances on a TV.
If you have an 84" TV like the image below [2], the height of the viewing area of that TV with an aspect ratio of 16:9 is sine(arctangent(9/16)) * 84 = approximately 41 inches tall. Since 4k Ultra HD TV... more »

2013-06-15 05:28:50 (3 comments, 9 reshares, 29 +1s)
For 2 out of every 3 people on earth, a fast, affordable Internet connection is still out of reach. Today we are unveiling our latest moonshot from Google [x] - Project Loon: balloon-powered internet access. Learn more: goo.gl/3VUHC
#ProjectLoon

2013-06-14 05:23:18 (17 comments, 230 reshares, 186 +1s)
Flying with Jetman
Swiss aviator and inventor Yves Rossy is the only the person in history to fly with a jet-propelled wing. He is a former military and commercial airline pilot who spent over 10 years developing and testing 15 prototypes prior to the most recent rigid carbon-fiber version with 4 jet turbines.
Jetman has made historic flights over the Swiss Alps, English Channel, and Grand Canyon with speeds up to 190 mph. Here's an amazing sight of him flying in formation with L-39 Albatross fighter jets of the Swiss aerobatic Breitling jet team: Jetman Yves Rossy flies with the Breitling Jet Team over the Grand Canyon
Below is Rossy's TEDtalk from 2011.
#Jetman #TED #TEDtalks


2013-06-07 05:45:22 (5 comments, 1 reshares, 15 +1s)
Educational Opportunity on Climate Change
Where You Get Your Information Matters
(Additional resources below.)
Many events spark Internet debates on climate change. Yesterday, it happened to be a Google+ announcement of an upcoming Hangout with Al Gore on June 11, 2013 at 2pm EDT: https://plus.google.com/+googleplus/posts/JsH4yzDuWL7
As you can see from the comments on the original post, it's quite challenging to have meaningful discussion on this topic for many reasons.
Aside from political factors and psychological barriers--which are two very large impediments in communicating accurate information--several readily identified sources of contention can be avoided:
• Interpreting hearsay as fact.
Hearsay is beliefs or rumors casually passed along by other people that cannot be adequately substantiated by the bulk of scientific li... more »

2013-06-06 23:22:25 (2 comments, 2 reshares, 11 +1s)
Hilarious video -- 'science never smelled so good!'

2013-06-05 08:38:47 (0 comments, 8 reshares, 21 +1s)
Advances in Mind Control and Robotic Telepresence
Quadcopter Navigation Using Thoughts
Biomedical engineering professor Bin He and his research students at the University of Minnesota have constructed a non-invasive 3D brain-computer interface (a 64-electrode EEG cap) to allow human thought to navigate a flying robot, making it turn, rise, dip, and even sail through a ring.
In the future, they hope to extend this functionality to controlling artificial limbs, wheelchairs, and other devices, particularly for those with impaired physical mobility or neurodegenerative diseases.
(Or, you know, if the need to control A Swarm of Nano Quadrotors or an army of robots ever arises.)
Article: http://phys.org/news/2013-06-helicopter-power-thought-video.html
Original UMNews featured article: h... more »


2013-06-02 07:29:33 (21 comments, 1 reshares, 11 +1s)
Stats: Men Using OkCupid Tend to Exaggerate Height
I'm taking an online refresher course on statistics for fun and came across this question (see image below). I took a wild guess at the answer, and it turns out I was right! :P
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Men's false claims of augmented physical traits likely stemmed from self-reported bias. This bias was reinforced by overcompensation for insecurity due to childhood abandonment and psychological inferiority due to frequent reprimands for chronic under-performance secondary to poor parenting and an inflexible faulty educational system. Constant ridicule and unchecked bullying from oppositionally defiant and treacherous childhood peers also contributed to self-deceit as a mechanism to cope with perceived inadequate stature, a byproduct of years of intense sociopsychological power struggles and competition.
Another... more »

2013-05-31 09:36:02 (4 comments, 9 reshares, 19 +1s)
Elon Musk Throws Us For a Loop, Yet Again. (Perhaps Literally.)
Along with Elon Musk's recent announcement to expand the Tesla Supercharger network, he dropped a vague hint about his next potentially revolutionary transportation project called a "Hyperloop", which he described as "a cross between a Concorde, a rail gun, and an air hockey table". Presumably, it could send people from L.A. to S.F. in 30 minutes.
The Business Insider article below speculates it could be a version of a Very High Speed Transit system using electromagnetically levitated vehicles traveling through sealed underground vacuum tunnels.
I actually think it could more likely be a version of the Launch Loop concept, which also more appropriately reflects the naming convention of a Hyperloop. But who really knows?
http://en.wikipedia.org/wiki/Lofstrom_loop
