Physicists at CU Boulder have demonstrated a new kind of vacuum ultraviolet laser that is 100 to 1,000 times more efficient than existing technologies of its kind. The researchers say the device could ...

Twice a year, Americans reset their clocks and lose an hour of sleep. The tradition may feel like a modern nuisance, but it began as a wartime policy during World War I. At 2 a.m. local time Sunday, ...

AURORA, Colorado—Lockheed Martin and the U.S. Space Force are testing several new technologies aboard the next GPS III satellite, including a new digital atomic clock. Current GPS satellites carry a ...

To find out how clock accuracy is verified and which reference is used for comparison, we visited the Belarusian State Institute of Metrology (BelGIM), where most of the national standards are kept.

The Bulletin of Atomic Scientists has set the Doomsday Clock to 85 seconds to midnight. It is the closest the clock has ever been to midnight in its history. The Bulletin of Atomic Scientists said ...

Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear powers Russia, China and the United States, fraying nuclear arms control, ...

Nuclear effect The deformed shape of the ytterbium-173 nucleus (right) makes it possible to excite the clock transition with a relatively low-power laser. The same transition is forbidden (left) if ...

WASHINGTON, Jan 27 (Reuters) - Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear powers Russia, China and the United States, ...

Earlier on Jan. 26, the hands of the Doomsday Clock were set closer to midnight than they've ever been in its history. Citing a worldwide "failure of leadership," the Bulletin of the Atomic Scientists ...

Humanity continues to move closer to catastrophe, scientists said Tuesday, Jan. 27. The human race is at its closest point yet to destroying itself, according to the reset of the ominous but symbolic ...