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The magic wavelength of cadmium

September 18, 2019

Researchers experimentally determined a property of cadmium called the magic wavelength which is considered essential for the development…
DARPA Making Progress on Miniaturized Atomic Clocks for Future PNT Applications

August 21, 2019

Researchers on the ACES program show early signs of success in developing chip-scale atomic clocks with 1000x performance…
Five Things to Know about NASA’s Deep Space Atomic Clock

June 5, 2019

NASA is sending a new technology to space on June 22 that will change the way we navigate…
New Atomic Clock has been Built that Would be off by Less than a Second Since the Big Bang

December 3, 2018

Physicists have developed an atomic clock so accurate that it would be off by less than a single…
NASA Tests Atomic Clock for Deep Space Navigation

February 6, 2018

In deep space, accurate timekeeping is vital to navigation, but many spacecraft lack precise timepieces on board. For…
JILA’s 3-D Quantum Gas Atomic Clock Offers New Dimensions in Measurement

October 6, 2017

ILA physicists have created an entirely new design for an atomic clock, in which strontium atoms are packed into…
JILA Atomic Clock Mimics Long-sought Synthetic Magnetic State in Solids

December 23, 2016

Using their advanced atomic clock to mimic other desirable quantum systems, JILA physicists have caused atoms in a…
NIST Debuts Dual Atomic Clock — and a New Stability Record

November 29, 2016

What could be better than a world-leading atomic clock? Two clocks in one. Physicists at the National Institute…
Superradiant laser may boost atomic clocks, create ‘rulers’ for space

October 17, 2016

JILA physicists have demonstrated a novel laser design based on synchronized emissions of light from the same type of…
Rapid comparison of optical lattice clocks

April 7, 2016

A University of Tokyo and RIKEN research group has demonstrated the high precision comparison of two optical lattice…
Strengthening Our Space Technology Future: Snapshots of Success

January 9, 2016

NASA’s Space Technology Mission Directorate (STMD) checked off a number of key accomplishments in 2015. These advancements pushed…
Perfectly accurate clocks turn out to be impossible

October 9, 2015

Can the passage of time be measured precisely, always and everywhere? The answer will upset many watchmakers. A…
Combing frequencies

June 25, 2015

It almost sounds like a riddle: What tool has transformed basic scientific research and led to new technologies…
Highly-precise comparison of mercury and strontium optical lattice clocks

June 25, 2015

A University of Tokyo and RIKEN research group has developed a mercury-based optical lattice clock and measured the…
The Deep Space Atomic Clock

April 27, 2015

As the saying goes, timing is everything. More so in 21st-century space exploration where navigating spacecraft precisely to…
Getting Better All the Time: JILA Strontium Atomic Clock Sets New Records

April 22, 2015

In another advance at the far frontiers of timekeeping by National Institute of Standards and Technology (NIST) researchers,…
Precise futuristic timekeeping with optical lattice clocks

April 1, 2015

A research group, led by Professor Hidetoshi Katori (Chief Scientist, RIKEN) at the University of Tokyo Graduate School…
Quantum mechanic frequency filter for atomic clocks

March 10, 2015

Atomic clocks are the most accurate clocks in the world. In an atomic clock, electrons jumping from one…
Top-precision optical atomic clock starts ticking

February 27, 2015

A state-of-the-art optical atomic clock, collaboratively developed by scientists from the University of Warsaw, Jagiellonian University, and Nicolaus…
Why moving from astronomic to atomic time is a tricky business

January 9, 2015

Not something you see every day. Leapsecond.com Most people would feel they can count on one day comprising…
Atomic timekeeping, on the go

November 12, 2014

What time is it? The answer, no matter what your initial reference may be — a wristwatch, a…
Timely arrival of Pharao space clock

July 28, 2014

ESA has welcomed the arrival of Pharao, an important part of ESA’s atomic clock experiment that will be…
‘Comb on a chip’ powers new atomic clock design

July 23, 2014

Researchers from the National Institute of Standards and Technology (NIST) and California Institute of Technology (Caltech) have demonstrated…
Physicists propose molecular clock to expose new physics

July 17, 2014

Credit: S. Schiller et al., Phys. Rev. Lett (2014) A trio of researchers from Germany, Bulgaria and Russia…
Theorists propose globally networked entangled atomic clock

June 17, 2014

The concept of world-wide quantum clock network. Credit: Nature Physics (2014) doi:10.1038/nphys3000 A small team of physicists from the U.S.…
How to test the twin paradox without using a spaceship

April 17, 2014

Doesn’t matter if it doesn’t work. andertoons, CC BY Forget about anti-ageing creams and hair treatments. If you want to…
NIST Launches a New U.S. Time Standard: NIST-F2 Atomic Clock

April 4, 2014

The U.S. Department of Commerce’s National Institute of Standards and Technology (NIST) has officially launched a new atomic…
A New Era for Atomic Clocks

February 6, 2014

A revolution is under way in timekeeping. Precision timekeeping based on atomic clocks already underpins much of our…
JILA Strontium Atomic Clock Sets New Records in Both Precision and Stability

January 23, 2014

Heralding a new age of terrific timekeeping, a research group led by a National Institute of Standards and…
NIST’s New Compact Atomic Clock Design Uses Cold Atoms to Boost Precision

November 6, 2013

Physicists at the National Institute of Standards and Technology (NIST) have demonstrated a compact atomic clock design that…
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