News

ZME Science on MSN11h
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 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 Scientist1d
The clocks that helped define time from London's Royal Observatory
From sundials to atomic clocks, our understanding of time has become a lot more accurate as technological developments ...
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.
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 ...
PBS4d
The Challenge: Build accurate clocks, construct a timepiece that chimes and make a portable 'watch'
But how do we make the sundial tell the time accurately, how do we get a clock to chime, and with the rough components on the island, how will we ever make a wristwatch?
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 ...
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 ...
朝日新聞社26d
Shimadzu’s super accurate clock eyed for quake prediction
Precision equipment manufacturer Shimadzu Corp. said it has created the world’s most accurate time device: a clock that won’t deviate by 1 second even after operating for 10 billion years.
AOL1mon
First-ever thorium nuclear optical clock - the world’s most accurate timekeeper
Among them, optical clocks—using atoms like strontium or aluminum—have reached staggering levels of accuracy, with relative uncertainties as low as one part in 10²⁰. But a new kind of clock ...