For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with the resonant frequency of atoms, a method so accurate that it serves as the ...

In advance of hurricane force winds moving into Colorado earlier this week, Xcel Energy preemptively shut off power to protect areas of the state from extreme fire danger. But due to the outage, time ...

A team of physicists has discovered a surprisingly simple way to build nuclear clocks using tiny amounts of rare thorium. By ...

Getting your Trinity Audio player ready... Power shut off across Colorado last week as hurricane-force winds swept across the state. In Boulder, one of those outages caused time to briefly stand still ...

What the Clock: Internet time servers are a critical part of the infrastructure used by companies and organizations that rely on atomic clocks to keep accurate time. A US agency responsible for ...

A destructive windstorm disrupted the power supply to more than a dozen atomic clocks that keep official time in the United States. Reading time 2 minutes The official standard time of the United ...

Disruptions to our circadian clocks—the internal molecular timekeepers "ticking" in nearly every cell of our body throughout the day—can lead to a wide range of health problems, from sleep ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

When the sun rises on May 18 in the small Norwegian fishing village of Sommarøy, located above the Arctic Circle, it doesn’t set again until July 26. Later in the year, it vanishes from November until ...