Year: 2022

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. […]

How physics can improve the urinal

Restroom visitors can expect cleaner knees and tidier floors, if they happen to use a new urinal inspired by curves in nature. The key to making a splashless urinal is ensuring that a person’s pee stream hits the porcelain at a shallow angle no matter where it is aimed, researchers report November 22 at the […]

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