Author: Nikk Ogasa

50 years ago, physicists found the speed of light

A New Figure for the Cosmic Speed Limit – Science News, December 2, 1972 A group at the National Bureau of Standards at B­oulder, Colo., now reports an extremely accurate [speed of light] measurement using the wavelength and frequency of a helium-neon laser.… The result gives the speed of light as 299,792.4562 kilometers per second. […]

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