Март 17, 2014
Assistant Professor Chao-Lin Kuo surprises Professor Andrei Linde with evidence that supports cosmic inflation theory. The discovery, made by Kuo and his colleagues at the BICEP2 experiment, represents the first images of gravitational waves, or ripples in space-time. These waves have been described as the "first tremors of the Big Bang."
Producer: Bjorn Carey
Video: Kurt Hickman
For more on the discovery, see: http://news.stanford.edu/news/2014/march/physics-cosmic-inflation-031714.html
Brian Greene stops by to demonstrate an exciting new scientific discovery
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Universe or Multiverse?
Breakthrough Prize in Fundamental Physics Laureate Andrei Linde, State University of New York at Stony Brook, March 11, 2013
Bill Gates addresses the Harvard Alumni Association in Tecentenary Theater at Harvard University's 2007 Commencement Afternoon Exercises
Covers all topics, including wave particle duality, Schrodinger's cat, EPR / Bell inequality, and the relationship between measurement and entanglement. Quantum Mechanics and Quantum Physics.
Appearing by telepresence robot, Edward Snowden speaks at TED2014 about surveillance and Internet freedom. The right to data privacy, he suggests, is not a partisan issue, but requires a fundamental rethink of the role of the internet in our lives — and the laws that protect it. "Your rights matter, " he say, "because you never know when you're going to need them." Chris Anderson interviews, with special guest Tim Berners-Lee.
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Learn how astronomers at the Texas Cosmology Center are studying a time in the cosmic history soon after the Big Bang when the universe expanded exponentially. For more information, see: http://www.tcc.utexas.edu/
This film is narrated by StarDate's Sandy Wood.
Hank loves bananas and is worried about their future, so he did some investigating and wrote this episode of SciShow to share some kinda scary banana truths with us.
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The first Earth Day was in 1970. What's one of the biggest changes our planet has seen since then? Earth's population has grown by 4 billion people! While our current food system produces enough for everyone, food is not distributed evenly. Shockingly, one-third of the food produced is never eaten at all. Since the processes used to make it contribute to climate change, all that waste is feeding greenhouse gases, but not people. See how you can be part of the solution.
Check out our Earth Day playlist here: https://www.youtube.com/playlist?list=PLrfcruGtplwH76Sryqpk7nXf0YIEM0piZ
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Custom Curling Graphics and Amination Components by:Emily Weddle Design
Check out her work: http://www.emilyweddledesign.com
Equations coded in LaTex by Will Leahy:
Curling simulations by: Keith Langsdorf
If you want to try curling in the Milwaukee, Wisconsin area, visit
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Or find a club in your area via the United States Curling Association.
Music and curling sounds by: Gordon McGladdery, A Shell In The Pit
Robert Farrell answered my Facebook appeal for Photographers/Videographers in the Milwaukee Wisconsin area and filmed the curlers for me at the Milwaukee curling club.
He's a photographer http://www.robertfarrellphotography.com/
With thanks to:
JR Ginex-Orinion — he helped me by putting the equation in LaTex and giving me a file.
Point Mallard Ice complex let me run my curling stone on the ice between free skate and hockey practice. Thanks!
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A Special thanks to the researchers at Uppsala University in Sweden. They study tribology, the science of friction. Check out their work: http://www.angstrom.uu.se/tribomaterials
Here is the techical paper written by Harald Nyberg from the video:
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*Watch with headphones on!
Is 45 minutes really the longest anyone can stay in a perfectly silent, pitch-black room?
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Want to watch the whole hour of silence? http://youtu.be/jr1UMFC9DV0
Many stories have circulated claiming the longest anyone has stayed in an ultra-quiet anechoic chamber is 45 minutes, the reason being any longer would drive you insane. To me this sounded like unsubstantiated rubbish, like the claim the Great Wall is the only manmade structure visible from space. So I put my own psyche on the line, subjecting myself to over an hour of the most intense quiet on Earth. No, this was not THE quietest room on Earth (-9dB) but it is one of the quietest, and the truth is once you put a person inside, they are by far the loudest thing in there so the sound rating of the room is irrelevant.
I was not surprised to find that I could stay in there for as long as I liked and feel perfectly fine. What was surprising is that my heartbeat was audible. You can hear it on the sound recording. Now I wasn't consciously aware of the sound of my heart while in the room, but I was more aware of the feeling of it beating.
Huge thank you to everyone at BYU: Duane Merrell, Spencer Perry, Cameron Vongsawad, Jazz Myers, Ann Clawson, and Robert Willes.