UCLA physicists have developed a new thin film that uses far less of the rare thorium-229 while also being significantly less ...

A microcomb chip to shrink optical atomic clocks . Traditional optical atomic clocks are not only big but complex, requiring ...

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 ...

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

Why not reduce nuclear arsenals from thousands into the hundreds, and divert savings toward fighting hunger and poverty?

Daylight Saving Time will start on Sunday, March 9, this year, according to TimeAndDate.com. Clocks will “spring forward,” as ...

Optical atomic clocks can increase the precision of time and geographic position a thousandfold in our mobile phones, ...

A team of international researchers has developed a new technique that promises to detect dark matter using atomic clocks and a network of optical-cavity lasers. An atomic clock is a super-precise ...