Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

Amid the "pick your apocalypse" options the world faces right now - climate change and nuclear annihilation loom pretty high.

37,249 people played the daily Crossword recently. Can you solve it faster than others?37,249 people played the daily ...

Abstract: High-performance atomic clocks provide the foundation for precise time measurement. Common high-performance atomic clocks in time-keeping laboratories include hydrogen masers and cesium ...

The Doomsday Clock, created in 1947 by atomic scientists as a way to keep track of the nuclear threat, is ticking closer to ...

As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks come with all kinds of features that can make waking up — or even going to sleep — a little less painful.

A low-noise chip-scale atomic clock (LN-CSAC), the SA65-LN from Microchip, features a profile height of less than 0.5 in. (12.7 mm). Aimed at aerospace and defense applications where size, weight, and ...

This device is not only an effective sunrise alarm clock but also a great bedside lamp, with a great FM radio and sound quality. Overall, the Phillips SmartSleep Wake-up Light has earned its place ...

Atomic scientists moved their "Doomsday Clock" closer to midnight than ever before, citing Russian nuclear threats amid its invasion of Ukraine and other factors underlying the risks of global ...

Atomic Digital Clock Auto Set (no back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight ...

A Chip-Scale Atomic Clock (CSAC) is an essential reference for these systems, providing the necessary precise and stable timing where traditional atomic clocks are too large or power-hungry and ...