Atomic clocks are the basis upon which a second is defined. But there is a new kid on the block, the optical clock, which ...

A more precise definition of the second is crucial to all sorts of physical measurements – but to get there, scientists have ...

The Xiaomi Modular Optical System is a polished prototype that ... of the phone (much like a MagSafe accessory), I tapped an icon in the camera app to switch from the regular built-in camera ...