Atomic clocks that excite the nucleus of thorium-229 embedded in a transparent crystal when hit by a laser beam could yield the most accurate measurements ever of time and gravity, and even rewrite ...

Telling time in space is difficult, but it is absolutely critical for applications ranging from testing relativity to ...

Scientists are developing nuclear clocks using thin films of thorium tetrafluoride, which could revolutionize precision ...

Key takeawaysAtomic clocks that excite the nucleus of thorium-229 embedded in a transparent crystal when hit by a laser beam ...

In the quest for ultra-precise timekeeping, scientists have turned to nuclear clocks. Unlike optical atomic clocks—which rely ...

Using thorium films just 100 nm thick, researchers were able to detect photon emissions and verify working on the nuclear ...

The first NYE countdown can arguably be traced to the final seconds of 1957, when prominent radio correspondent Ben Grauer counted down the New Year’s Eve ball drop in New York City’s Times Square, ...

The Department of Defense has awarded quantum technology firm Infleqtion an $11 million contract to help it speed up the ...

That was back in 2001, when he and his colleague Christian Tamm proposed a device with the potential to be even more precise and portable than the world’s best atomic clocks. Peik’s estimate ...

The Earth rotates once on its axis every 24 hours. As it rotates, the sun shines on different parts of it. When the sun ...

Scientists have taken a big step forward in precision timekeeping by developing a safer and more affordable way to build ...