Since the first atomic clock was built in 1949 ... In May Schumm’s team shipped the thorium crystals to physicist Jun Ye’s lab in Boulder, which runs the ultracold strontium clock.

“If the nuclear clock and the atomic clock transition frequency ratio ... of the kinds of experiments we are currently doing in my lab to test relativity and search for new physics with atomic ...

In fact, work in the lab on nuclear clocks began with ... a nuclear clock could retain accuracy under conditions where atomic clocks would falter, as the clock is more resistant to noise.

Cesium fountain clocks such as NIST-F4 are a type of atomic clock ... nearly every fountain clock is built and operated by scientists in a national measurement lab such as NIST.

In 1994, Mirzadeh, who knew about the Idaho team’s work, convinced the lab to give him access ... interference that plagued the best atomic clocks at the time. Then Flambaum showed that such a ...

DENVER (KDVR) — It is said that time is relative and passes differently depending on an observer’s relative motion and gravitational potential. Although some would argue time is a construct ...

The Doomsday Clock of the Bulletin of the Atomic Scientists ... “We look at data, as physicians look at lab tests and x-rays, and also take harder-to-quantify factors into account, as physicians ...

The clock is ticking on humanity. The Bulletin of the Atomic Scientists has moved its Doomsday Clock forward for 2025, announcing that it is now set to 89 seconds to midnight –— the closest it ...

WASHINGTON, Jan 28 (Reuters) - Atomic scientists on Tuesday moved their "Doomsday Clock" closer to midnight than ever before, citing Russian nuclear threats amid its invasion of Ukraine ...