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Physics

Time & frequency

News and Updates

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NIST Scientists Cross the Bridge between Atomic and Real Worlds

January 19, 2000

In 1996, researchers at the Boulder, Colo., laboratories of the Commerce Department's National Institute of Standards and Technology confirmed the belief that a

NIST-F1 Cesium Fountain Clock

December 29, 1999

There's nothing like the joy of receiving a precision timepiece as a holiday gift. Thanks to the Commerce Department's National Institute of Standards and

New Web Site Puts Atomic Time on Your Computer

October 14, 1999

The official U.S. time in any U.S. time zone now can be obtained from the new Internet web site, www.time.gov, maintained by the Boulder Laboratories of the

Y2K-1 Will Arrive A Bit Late

December 23, 1998

If you’re already counting down to Y2K, don’t forget to add an extra second this New Year’s Eve. The folks who decide these things have decreed that there shall

Atomic Clock In Space to Reach New Heights Of Accuracy

January 20, 1998

Researchers at the National Institute of Standards and Technology soon will begin work on an advanced laser-cooled cesium atomic clock that will be placed on

Power Doubling For WWVB Could Help Keep You On Time In 1998

January 5, 1998

For everyone who made a New Year's resolution to be more on time for meetings and events in 1998, there's good news from the Commerce Department's National

Upgrade To Improve Time Signal's Coverage

July 2, 1996

The Commerce Department's National Institute of Standards and Technology has announced plans to upgrade its radio station WWVB, which broadcasts standard time

New Year to Arrive Late Again This Year: Leap Second to be Added on Dec. 31

December 13, 1995

As it has many times before, the new year will get off to a late start when it is delayed for exactly one second to allow the world's atomic clocks to be

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