How Much Does a Shadow Weigh?
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Published on Oct 7, 2012
Veritasium SLINKY video: http://bit.ly/SGD73o
Veritasium channel... SUBSCRIBE: http://bit.ly/RoMMH7
A great Veritasium episode about using video to teach: http://bit.ly/VOsZVx
Vsauce2 LEANBACK about shadows: http://bit.ly/VOt8rP
Vsauce3 explains how realistic SimCity is... SUBSCRIBE: http://bit.ly/PMThlp
ALL MUSIC BY: http://www.soundcloud.com/JakeChudnow
Jake's YouTube channel: https://www.youtube.com/jakechudnow
Vsauce on Twitter (lots of extra mindblows): http://www.Twitter.com/TweetSauce
Vsauce on Facebook (your chance to blow MY MIND): http://www.Facebook.com/VsauceGaming
Hand shadow book: http://books.google.co.uk/books/about/Fun_with_Hand_Shadows.html?id=UhjBUYIUm...
Light "pushes" us: http://www.straightdope.com/columns/read/2987/do-shadows-weigh-anything
Solar Sail: http://www.jspec.jaxa.jp/e/activity/ikaros.html
solar sail GIF: http://www.jspec.jaxa.jp/e/activity/images/ikaros/pic_10.gif
Venutian Shadows: http://www.digitalsky.org.uk/venus/shadow-of-venus.html
Speed of light in different materials: http://cadlab6.mit.edu/2.009.wiki/anchor/index.php?title=Speed_of_light_in_va...
sonic boom demonstration: http://demonstrations.wolfram.com/WavesFromAMovingSource/
Cherenkov radiation: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/ceren...
and: http://en.wikipedia.org/wiki/Cherenkov_radiation
Photonic booms in your eyes: http://en.wikipedia.org/wiki/Cosmic_ray_visual_phenomena
Pushing a lightyear-long object: http://www.physicsforums.com/showthread.php?t=386687
compression / longitudinal waves: http://en.wikipedia.org/wiki/Longitudinal_waves
cool site for putting things in perspective (this link is for 1 sq. inch): http://www.bluebulbprojects.com/measureofthings/doShowResults.asp?comp=area&a...;
Also this is important: http://animalsbeingdicks.com/post/23101742089/clean-get-away
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Top Comments
All Comments (14,252)
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Gavin got slaughtered for saying the speed of push lol
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"Hey girl, did you know you weigh less in the dark?" How Michael gets girls.
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i don't have a shadow because i am a vampire.
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for me its 7 minutes of vsauce is like 1 years worth of science class
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Tsk tsk, Calculatable? It's Calculable
You should know these things man!
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now leave away the "a" in the title and its completely wrong!
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That is also only for particles with mass and are stationary.
For light, this equation has to be used instead: E = pc.
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When I said "speed of sound", I was referring to "speed of sound in air" which I said previously in my comment. Be specific probably to clear up misconceptions and deter super critical people like me, I guess.
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zockerbruder86 1 day ago
wow. 7 minutes vsauce is like 6 hours school
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Splashkittyfan99363 8 hours ago
Omg. How do you know all of this?! XD It's like, one of your vidoes equals my whole science class!
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