NIST-F1 - Wikipedia
NIST-F1 is a cesium fountain clock, a type of atomic clock, in the National Institute of Standards and Technology (NIST) in Boulder, Colorado, and serves as the United States' primary time and frequency standard.
National Institute of Standards and Technology | NIST
UTC is always displayed as a 24-hour clock. NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.
NIST’s Cesium Fountain Atomic Clocks | NIST - National Institute …
2009年8月26日 · The nation's primary frequency standard is a cesium fountain atomic clock developed at the NIST laboratories in Boulder, Colorado.
The Atomic Clock in Colorado: A Journey Through Time
2023年9月16日 · The crown jewel of NIST’s timekeeping efforts resides in Boulder, Colorado: the NIST-F1 Cesium Fountain Clock. Operational since 1999, this atomic clock uses a fountain-like movement of cesium atoms to measure frequency.
NIST-F1 Cesium Fountain Atomic Clock - Atlas Obscura
2009年8月14日 · The bearer of that important standard is the NIST-F1 Cesium Fountain Atomic Clock, located at the National Institute of Standards and Technology in Boulder, Colorado. Built in four years,...
It’s About Time: Back to the Future's Connection to Boulder, Colorado …
3 天之前 · And that clock is located, of all places, in Boulder, Colorado! NIST-F1, the first atomic clock in Boulder. Photo by National Institute of Standards and Technology – Physics Laboratory: Time and Frequency Division. ... The current atomic clock in Boulder, NIST-F2, will lose or gain one second every 300 million years. But a new clock, JILA ...
The Country's Most Accurate Atomic Clock is in Boulder - 5280
2018年2月23日 · That’s why generating stations sync with the country’s most accurate atomic clock—housed on the Boulder campus of the National Institute of Standards and Technology (NIST). NIST’s latest atomic timekeeper (there have been seven previous iterations) will lose just one second every 300 million years.
Boulder is home to multiple atomic clocks - FOX31 Denver
2024年5月1日 · It turns out that highly accurate atomic clocks situated in Colorado — more specifically in Boulder — play a role in making sure you’re able to know to the millisecond exactly what time it...
What time is it Boulder? NIST and the Atomic Clock
2024年1月25日 · But as progress goes, in 2014, a new atomic clock, the NIST–F2 was installed. They say it is so accurate it will lose or gain only one second every 300 million years. The NIST-F2 had been in development for about a decade and is three times more accurate than the F1, which has been in use since 1999.
A change in time-keeping is coming to Boulder's atomic clocks
2022年12月20日 · Boulder is home to a handful of the world’s atomic clocks, which provide the most accurate definition of a second by counting the oscillations of cesium atoms. NIST research physicist Jeff Sherman is one of the scientists maintaining the clocks.