With chirping birds and brightening sunrises, Hatch has led the pack for smart clocks for a reason. Now the brand just fine-tuned its formula with the new and improved Restore 3, proving once ...

The Vivulmens Sunrise Alarm Clock isn’t app-powered, and its multiple buttons and settings proved more difficult to navigate than the Philips Smartsleep. I also had trouble a few groggy mornings ...

Read the paper: Frequency ratio of the 229mTh nuclear isomeric transition and the 87Sr atomic clock So researchers are working on a nuclear clock – a device that would harness the energy levels ...