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Time and Frequency News

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NIST 'Quantum Logic Clock' Rivals Mercury Ion as World's Most Accurate Clock
Release Date: 03/06/2008

Comparison Yields Best Results Yet in Tests for Change in 'Constants' of Nature BOULDER, Colo.- An atomic clock that uses an aluminum atom to … more

NIST Mini Sensor May ‘Change the Way We Live’
Release Date: 03/05/2008

Miniature magnetic sensors made at the National Institute of Standards and Technology (NIST) have won a spot on Technology Review’s annual list of … more

New Strontium Atomic Clock at JILA is ‘Best in Class’
Release Date: 02/19/2008

A next-generation atomic clock that tops previous records for accuracy in clocks based on neutral atoms has been demonstrated by physicists at … more

‘NMR on a Chip’ Features NIST Magnetic Mini-Sensor
Release Date: 02/19/2008

A super-sensitive mini-sensor developed at the National Institute of Standards and Technology (NIST) can detect nuclear magnetic resonance (NMR) … more

NIST Radio Station WWVH Gets Antenna Makeover
Release Date: 01/23/2008

Radio station WWVH in Hawaii, operated since 1948 by the National Institute of Standards and Technology (NIST) to broadcast time, frequency and … more

NIST Helps Beam Time to TV Viewers in the Middle East
Release Date: 12/12/2007

Millions of satellite television and radio users in North Africa and the Middle East can now see and hear the precise time of day, thanks to … more

Mini Magnetic Sensor May Have Biomedical, Security Applications
Release Date: 11/08/2007

In NIST’s new mini-magnetometer, light from a laser (small gray cylinder at left) passes through a small container (green cube) containing atoms … more

Reminder: Turn Your Clocks Back on Sunday, November 4
Release Date: 10/26/2007

©Shutterstock Daylight Saving Time (DST) will end on Sunday, November 4, 2007, as determined by new rules implemented this year. On November 4 at … more

First 2D Pictures of a 'Frequency Comb' Transform It into a Brush
Release Date: 02/07/2007

Technique Reveals Colors and Intensity of All Lightwaves Simultaneously False-color images of the "fingerprints" of molecular iodine, each taken … more

O’Brian Named Director of NIST Boulder Laboratories
Release Date: 10/26/2006

Thomas R. O'Brian, chief of the Time and Frequency Division at the National Institute of Standards and Technology (NIST), has been appointed … more

NIST Physicists Boost 'Entanglement' of Atom Pairs
Release Date: 10/18/2006

The NIST process for "purifying" an unusual property of quantum physics called entanglement involves illuminating two pairs of beryllium ions … more

Mercury Atomic Clock Sets Time-Keeping Record
Release Date: 07/20/2006

NIST physicist Jim Bergquist with the world's most accurate clock. The silver cylinder in the foreground is a magnetically shielded cryogenic … more

Mercury Atomic Clock Keeps Time with Record Accuracy
Release Date: 07/14/2006

BOULDER, COLO.—An experimental atomic clock based on a single mercury atom is now at least five times more precise than the national standard … more

"Frequency Comb" Spectroscopy Proves to be Powerful Chemical Analysis Tool
Release Date: 03/16/2006

Boulder, Colo. -- Physicists at JILA have designed and demonstrated a highly sensitive new tool for real-time analysis of the quantity, structure, … more

Enjoy New Year's Eve a Second Longer!
Release Date: 12/22/2005

You can toot your New Year's horn an extra second this year, say physicists at the National Institute of Standards and Technology (NIST). Along … more

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