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 ...

Colorado Windstorm Causes 4.8 Microsecond Glitch in Official US Time

A destructive windstorm disrupted the power supply to more than a dozen atomic clocks that keep official time in the United ...

Power outage in Boulder area affects atomic clock, "Time is not broken" NIST says

Due to the power outage, time (very) briefly stood still at the NIST Internet Time Service facility in Boulder.

How a power outage in Colorado caused U.S. official time to be 4.8 microseconds off

Officials said the error is likely too minute for the general public to clock it, but it could affect applications such as critical infrastructure, telecommunications and GPS signals.

NIST contemplated pulling the pin on NTP servers after blackout caused atomic clock drift

A staffer at the USA’s National Institute of Standards and Technology (NIST) tried to disable backup generators powering some of its Network Time Protocol infrastructure, after a power outage around ...

NIST warns that its NIST-F4 atomic clock lost track of time after a power outage

The National Institute of Standards and Technology recently warned that an atomic clock device installed at its Boulder campus had failed due to a prolonged power ...
AOL

The world's first nuclear clock can detect changes in nature’s fundamental constants

Scientists have taken another giant step towards building the most precise clock ever imagined—one that could display not only the passage of time, but shifting rules of nature itself. An ...
unr.edu

The most precise clock ever built ticks closer to reality

Nuclear clocks are the next big thing in ultra-precise timekeeping. Recent publications in the journal Nature propose a new method and new technology to build the clocks. Timekeeping has become more ...
来自MSN

World’s first nuclear clock to answer physics’ fine-structure constant mystery

A team of researchers in Austria has recently demonstrated that the world’s first nuclear clock could help answer whether the fine-structure constant changes over time. The scientists from the Vienna ...

Colorado power outages disrupt atomic clock in Boulder

The National Institute of Standards and Technology’s Internet Time Service Facility in Boulder lost power Wednesday afternoon ...
AZOM

Redefining Timekeeping Accuracy with Thorium-229 Nuclear Clock

Researchers are looking for new ways to improve timekeeping because even small gains in stability can help physicists discover subtle physical effects. The thorium-229 nuclear clock is a newer venture ...
EurekAlert!

Breakthrough on the path to optical nuclear clocks: laser-based excitation of Thorium-229 ...

A research team from the University of California Los Angeles (UCLA), Ludwig Maximilian University of Munich (LMU), and Johannes Gutenberg University Mainz (JGU) has succeeded in exciting the atomic ...