Editing Speed of light (section)

== External links ==
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* [https://books.google.com/books?id=UigDAAAAMBAJ&dq=1930+plane+%22Popular&pg=PA17 "Test Light Speed in Mile Long Vacuum Tube"]. ''Popular Science Monthly'', September 1930, pp.&nbsp;17–18.
* [http://www.bipm.org/en/si/si_brochure/chapter2/2-1/metre.html Definition of the metre] (International Bureau of Weights and Measures, BIPM)
* [http://physics.nist.gov/cgi-bin/cuu/Value?c Speed of light in vacuum] (National Institute of Standards and Technology, NIST)
* [https://web.archive.org/web/20040530221051/http://www.itl.nist.gov/div898/bayesian/datagall/michelso.htm Data Gallery: Michelson Speed of Light (Univariate Location Estimation)] (download data gathered by [[Albert A. Michelson]])
* [https://www.gregegan.net/APPLETS/20/20.html Subluminal] (Java applet by [[Greg Egan]] demonstrating group velocity information limits)
* [http://www.ertin.com/sloan_on_speed_of_light.html Light discussion on adding velocities]
* [http://sixtysymbols.com/videos/light.htm Speed of Light] (Sixty Symbols, University of Nottingham Department of Physics [video])
* [https://www.bbc.co.uk/programmes/p0038x9h Speed of Light], BBC Radio{{nbsp}}4 discussion (''In Our Time'', 30 November 2006)
* [http://www.live-counter.com/speed-of-light/ Speed of Light] (Live-Counter – Illustrations)
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* [https://www.sciencealert.com/simple-animations-by-a-nasa-scientist-prove-the-speed-of-light-is-torturously-slow Speed of Light – animated demonstrations]
* "[https://books.google.com/books?id=p4o9AQAAIAAJ The Velocity of Light]", Albert A. Nicholson, [[Scientific American]], 28 September 1878, p.&nbsp;193

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[[Category:Fundamental constants]]
[[Category:Physical quantities]]
[[Category:Light]]
[[Category:Special relativity]]
[[Category:Velocity|Light]]