News

ZME Science on MSN7h
This New Atomic Clock Is So Precise It Won’t Lose a Second for 140 Million Years
On a campus in Boulder, Colorado, time just became a little more exact. Inside the National Institute of Standards and ...
New atomic fountain clock joins elite group that keeps the world on time
Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards ...
Discover Magazine on MSN3d
New Atomic Fountain Clock Props Up the World's Time With Pinpoint Precision
F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire world.
Interesting Engineering on MSN1d
US scientists debut atomic clock that stays true for 100 million years straight
Marvel’s Time Variance Authority (TVA) would probably call dibs on this atomic clock if they could! The NIST-F4 atomic clock, ...
Hackaday2y
An Atomic Pendulum Clock Accurate Enough For CERN
With access to a 10-MHz timebase from a cesium fountain atomic clock — no less a clock than the one that’s used to define the SI second, by the way — [Daniel] looked for ways to sync the ...
New Boulder atomic clock submitted to track world’s time
According to scientists at NIST in Boulder, their newest atomic clock, the NIST-F4, will help track time more precisely and ...
New Scientist on MSN14d
Most accurate space clock to launch – and count down to destruction
A network of Earth's best clocks will be synchronised with the most accurate one ever sent into space. But the device has a ...
New Scientist29d
How optical clocks are redefining time and physics
“Because visible light has a frequency that is five orders of magnitude higher than microwaves, optical clocks are about 100 times more accurate than the current standard of caesium atomic ...
Interesting Engineering on MSN10d
100 years on, ESA tests Einstein’s relativity theory with atomic clocks on ISS
ACES will gather ultra-precise data across at least ten observation windows, each lasting about 25 days during the ...
World’s most accurate clock sold in Japan for US$3.3 million
Resembling a squat, wide fridge, the world’s most accurate clock went on sale for US$3.3 million (HK$25.7 million) in Japan last month. The “Aether clock OC 020” is so precise that it would take 10 ...
IFLScience11d
We're About To Achieve The Most Accurate Time Signal Ever Transmitted From Space
ACES has two different cutting-edge clocks. PHARAO (Projet d’Horloge Atomique à Refroidissement d’Atomes en Orbite), a cesium atomic clock that is similar to standard atomic clocks on Earth ...
EurekAlert!7d
New atomic fountain clock joins elite group that keeps the world on time
A Special Kind of Clock Cesium fountain clocks such as NIST-F4 are a type of atomic clock — a complex, high-precision device that extracts timing pulses from atoms. These clocks play a critical ...