Scientists propose using quantum-entangled clocks to test how gravity affects quantum mechanics in curved spacetime.

One of the biggest challenges in modern physics is uniting quantum mechanics and general relativity. A new experiment may ...

A test using atomic clocks will watch superpositions ride Earth’s curved space-time and see if Einstein can play nice with ...

"One current method to narrow laser linewidth uses Brillouin lasers, where sound waves interact with light; but the effect is ...

Optical clocks are typically evaluated on two levels — accuracy (how close a clock comes to measuring the ideal “true” time, ...

Possibly originating with the English poet Geoffrey Chaucer's "time and tide wait for no man," the idea that time waits for ...

In its second antimatter breakthrough this month, CERN announced it successfully created the first-ever antimatter qubit, ...

A new study published in the journal PRX Quantum demonstrates how a network of quantum computers employing optical clocks can ...

Scientists demonstrate that quantum networks of clocks offer a new way to explore the interplay between quantum mechanics and curved space-time. Quantum networking is advancing rapidly across the ...

The purpose of this test work is to investigate the mineralogical association of gallium, rubidium and cesium (and other ...

Jacobson/NIST After two decades of tinkering, scientists at NIST have unveiled the world’s most accurate atomic clock, a ...