A photo of the atomic clock setup complete with the bisecting cavity. Credit: JILA/Ye Group Historically, JILA (a joint institute established by the National Institute of Standards and Technology ...

Tim Alex Jacobs, who develops a variety of devices and software, has developed the Precision Clock Mk IV, a precision clock with millisecond accuracy that is equipped with GPS, automatically adjusts ...

Whether you’re a morning person who wakes up easily, or the type who tends to sleep through several snooze cycles, a projection alarm clock can be a great bedside addition. The best projection alarm ...

Which projection clock is best? While advanced mobile devices and smartwatches might make a traditional alarm clock feel like a relic from the past, these trusty devices are still popular, thanks to ...

Over on his secondary YouTube channel, [Jeff Geerling] recently demoed the new Mitxela Precision Clock Mk IV. This clock uses GPS to get the current time, but also your location so it can figure out ...

By replacing single atoms with an entangled pair of ions, physicists in Germany have demonstrated unprecedented stability in ...

Optical lattice clocks are devices that measure the passing of time via the frequency of light that is absorbed or emitted by laser-cooled atoms trapped in a repeating pattern of light interference ...

Some alarm clocks do a lot more than tell the time and wake you up. Oregon Scientific, for example, makes a line of self-setting clocks that let you project an image of the digital clock face and ...

Coolest Clock is the wall-mounted projection display that you never realized you needed. It's up for crowdfunding on Indiegogo and has blown its goals out of the water, reeling in over $230,000 USD ...

[Gaurav Taneja] was showing off his projection clock add-on for iPhone called Clockety at this year’s Consumer Electronics Show. The concept is pretty neat, a clip-on clock which uses the iPhone flash ...