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pnrjulius comments on Initiation Ceremony - Less Wrong

49 Post author: Eliezer_Yudkowsky 28 March 2008 08:40PM

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Comment author: pnrjulius 09 April 2012 06:20:35AM 2 points [-]

c is by definition the speed of light in vacuum. You use another variable (usually v) if you want the speed of light in a given refractive medium.