What Is The Speed of Dark?

2014-07-29

[public] 18.9M views, 594K likes, 6.93K dislikes audio only

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SOURCES BELOW:

this is the video where I talk about THE SPEED OF PUSH: /youtube/video/Do1lm9IevYE

Big thanks to Martin Archer for help with this episode: http://www.martinarcher.co.uk/

And thanks to Guy Larsen for his shadow magic: https://twitter.com/guylar

music by http://www.YouTube.com/JakeChudnow

and http://www.audionetwork.com

shadows faster than light:

http://math.ucr.edu/home/baez/physics/Relativity/SpeedOfLight/FTL.html#3

http://physics.stackexchange.com/questions/63434/could-the-shadow-move-with-faster-than-light-speed

http://www.madsci.org/posts/archives/2000-02/950834634.Ph.q.html

making the moon brighter: http://what-if.xkcd.com/13/

sunset and earth’s shadow and belt of venus in single pics:

http://apod.nasa.gov/apod/ap131024.html

http://apod.nasa.gov/apod/ap100729.html

amounts of evening-types in a city: http://weatherspark.com/averages/33125/Honolulu-Hawaii-United-States

superluminal scissors:

http://math.ucr.edu/home/baez/physics/Relativity/SR/scissors.html

http://boards.straightdope.com/sdmb/archive/index.php/t-69757.html

wave animations:

http://www.ablongman.com/mullin/AnimationPages/FigsI-19&20.html

http://www.acs.psu.edu/drussell/Demos/SWR/SWR.html

http://resource.isvr.soton.ac.uk/spcg/tutorial/tutorial/Tutorial_files/Web-inter-superp.htm

phase velocity vs. group velocity: http://resource.isvr.soton.ac.uk/spcg/tutorial/tutorial/Tutorial_files/Web-further-dispersive.htm

faster than light dark patches:

http://www.askamathematician.com/2013/02/q-is-darkness-a-wave-the-way-light-is-a-wave-what-is-the-speed-of-dark/

http://www.physicsclassroom.com/class/light/Lesson-3/The-Path-Difference

make a light interference pattern at home:

http://www.exploratorium.edu/snacks/diffraction/

http://www.instructables.com/id/How-to-perform-Interference-and-Diffranction-at-Ho/

the speed of ignorance:

http://www.brainpickings.org/index.php/2012/04/02/stuart-firestein-ignorance-science/

http://philosophicalfallibilism.blogspot.com/2009_03_20_archive.html

http://kk.org/thetechnium/2008/10/the-expansion-o/

http://louisecharente.wordpress.com/2013/10/24/the-discovery-of-ignorance/

Dunning-Kruger:

http://www.huffingtonpost.com/david-macaray/the-dunningkruger-effect_b_4476166.html

http://en.wikipedia.org/wiki/McArthur_Wheeler

“animalcules”: http://www.leben.us/index.php/component/content/article/59-volume-3-issue-4/236-antoni-van-leeuwenhoeks-amazing-little-animalcules