Quote (dothe @ Mar 6 2011 05:58pm)
ive never heard someone measure it in miles per hour
that would be pretty impractical in most cases
My favorite unit of measurement for the speed of light is in Furlongs per Fortnight. c ~ 1.8E12 furlongs per fortnight, btw
Quote (Kamikizzle @ Mar 6 2011 06:06pm)
gravity waves propagate at the speed of light and tachyons are hypothetical particles that have no been observed..
True.