【Upgraded Big Screen Display】- Experience the luxury of a 5.5" High Resolution Digital Alarm Clock that spells out the time, date, and temperature clearly. The illuminated LED digits ensure ...

Automatically adjusts to Daylight Savings Time while set the DST on. Atomic Wall Clocks Battery Operated with Alarm - This digital calendar alarm day clock required 3 “AA” long life batteries ...

Scientists have developed a "microcomb chip" — a 5 millimeter (0.2 inches) wide computer chip equipped with tiny teeth like ...

With access to a 10-MHz timebase from a cesium fountain atomic clock — no less a clock than the one that’s used to define the SI second, by the way — [Daniel] looked for ways to sync the ...