Some of the World’s Atomic Clocks Were Off Last Week (by 5-Millionths of a Second)

Time appeared to skip a beat last week when some of the world’s most accurate clocks were affected by a wind-induced power ...

A Chip that Keeps Time (Almost) Like an Atomic Clock

For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with ...
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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 Technology, or NIST, a new atomic clock named NIST-F4 has begun to tick — not ...
Yahoo

Scientists are redefining time itself, starting with the second

Researchers from six countries conducted the largest coordinated comparison of optical clocks to date. The measurements amount to the largest coordinated comparison of optical clocks to date, and ...
Live Science

Physicists create groundbreaking atomic clock that's off by less than 1 second every 100 million years

The National Institute of Standards and Technology's new cesium fountain clock is one of the most precise atomic clocks ever created. When you purchase through links on our site, we may earn an ...

Optical clock sets new accuracy record, bringing us closer to a new definition of the second

A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium single-ion clock with exceptionally low uncertainty and high uptime.
Forbes

89 Seconds To Midnight - What The Doomsday Clock Tells Us About Global Collapse

WASHINGTON, DC - JANUARY 28: The 2025 Doomsday Clock time is displayed after the time reveal held by The Bulletin of the Atomic Scientists at the United States Institute of Peace on January 28, 2025 ...
EDN

One Second Audible Clock Circuit Schematic

This accurate one-pulse-per-second clock is made with a few common parts and driven from a 50 or 60 Hertz mains supply but with no direct connection to it. A beep or metronome-like click and/or a ...
EurekAlert!

Unprecedented optical clock network lays groundwork for redefining the second

WASHINGTON — In a new study, researchers carried out the most extensive coordinated comparison of optical clocks to date by operating clocks and the links connecting them simultaneously across six ...

PIAA To Add :35 Second Shot Clock Beginning in the 2028-2029 Season

The PIAA recently approved a 35-second shot clock for all boys' and girls' varsity and junior varsity basketball games ...