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News and Updates

Displaying 651 - 675 of 1488

Trouble with a Capital 'G'

NIST has taken part in a new push to address a persistent and growing problem in physics: the value of G. The Newtonian constant of gravitation, used to

Photons by the Numbers

A NIST team is at work on what promises to be one of the world's most accurate methods for generating a specified number of photons, and has devised a method to

EUV Calibrations for Satellite Sensors

Thanks to precision calibration measurements recently performed at NIST, satellites may soon be looking at sunlight with new and improved vision. On July 22