August 14, 2017 04:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/01-zDQVhUA0/device-that-revolutionized-timekeeping-receives-an-ieee-milestone
Device That Revolutionized Timekeeping Receives an IEEE Milestone
An anonymous reader writes: The invention of the atomic clock fundamentally altered the way that time is measured and kept. The clock helped redefine the duration of a single second, and its groundbreaking accuracy contributed to technologies we rely on today, including cellphones and GPS receivers. Building on the accomplishments of previous researchers, Harold Lyons and his colleagues at the U.S. National Bureau of Standards (now the National Institute of Standards and Technology), in Washington, D.C., began working in 1947 on developing an atomic clock and demonstrated it to the public two years later. Its design was based on atomic physics. The clock kept time by tracking the microwave signals that electrons in atoms emit when they change energy levels. This month the atomic clock received an IEEE Milestone. Administered by the IEEE History Center and supported by donors, the milestone program recognizes outstanding technical developments around the world.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/01-zDQVhUA0/device-that-revolutionized-timekeeping-receives-an-ieee-milestone
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