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 ...

Physicists at UCLA have taken a major step toward creating the most accurate clocks ever by using a thin film of thorium-229.

There was a time when the status bar was ... starting with a solid bar, then it went transparent, which made it impossible to read the clock or status icon, and last, we have the newly-released ...

"The clocks are an improvement over previous versions as rather than just predicting wait times based on historical data, the ...

The Geochron World Time Indicator is a clock that doubles as a live map ... Using a synchronous motor, transparent slides, and a lighted platen, the Geochron works like a glorified slide projector ...

The exhibition at the Guangdong Museum, entitled Timeless Masterpieces — The Exquisite Guangzhou Clock of Qing Dynasty, ...