News

Center for a New American Security2h
Atomic Advantage
Quantum sensors could enable resilient U.S. PNT within a few years—but only if America continues to develop and deploy the ...
Electronic Design5d
Vernier Optical Combs Plus Heterodyned Electronics Yield Atomic Clock
By using paired, offset optical combs and RF electronics, researchers devised a unique atomic-clock architecture.
Interesting Engineering on MSN5d
Atomic motion turned into a powerful quantum resource by Caltech scientists
Quantum technology often requires the precise control of individual particles, atoms, or ions. Optical tweezers are one such ...
Denver75d
New atomic clock in Boulder ensures the rest of the world is on time
A new atomic clock at the National Institute of Standards and Technology in Boulder is helping researchers count seconds to ...
ZME Science26d
This New Atomic Clock Is So Precise It Won’t Lose a Second for 140 Million Years
Inside the National Institute of Standards and Technology, or NIST, a new atomic clock named NIST-F4 has ... s most reliable metronome into the definition of a second. To understand how it works ...
Yahoo1mon
100 years on, ESA tests Einstein’s relativity theory with atomic clocks on ISS
At the heart of the mission are two advanced atomic clocks. One is PHARAO (Projet ... surely play a key role in pushing towards the re-definition of the standard unit of time – the so-called ...
Business Standard2mon
World's most accurate clock is now on the market: Here's how much it costs
The optical lattice clock, developed in collaboration with The University of Tokyo and RIKEN, is about 100 times more precise than traditional cesium atomic clocks ... potentially replacing the cesium ...
Scientific American3mon
Is It Time to Redefine Time?
One possible solution is to base the definition on not just one atomic transition but the average of all the transitions from different kinds of optical clocks. If an ensemble of clocks ...
Phys.org5mon
World's first compact and robust high-precision optical lattice clock with a 250L volume successfully developed
An optical lattice clock is a type of atomic clock that can be 100 times ... considered a leading candidate for the next-generation "definition of the second." Professor Hidetoshi Katori from ...
EurekAlert!5mon
Successful development of the world’s first compact and robust high-precision optical lattice clock with a 250-L volume
Optical lattice clock (1) is a type of atomic clock that can be 100 times ... considered a leading candidate for the next-generation “definition of the second.” Professor Hidetoshi Katori ...
The Financial Times6mon
The mind-bending new science of measuring time
A definition based on a single optical-clock ... The laser maze of a caesium fountain, the tuning fork for America’s official atomic clocks Politicising this further, labs around the world ...
科学技術振興機構6mon
Successful development of the world’s first compact and robust high-precision
Optical lattice clock (1) is a type of atomic clock that can be 100 times more accurate ... the optical lattice clock is considered a leading candidate for the next-generation “definition of the ...