Quantum stopwatch stores time in a quantum memory

Physicists have developed a "quantum stopwatch"—a method that stores time (in the form of states of quantum clocks) in a quantum memory. In doing so, the method avoids the accumulation of errors that usually occurs when ...

A stretchable stopwatch lights up human skin

Imagine a runner who doesn't need to carry a stopwatch or cell phone to check her time: She could just gaze at the glowing stopwatch display on the back of her hand. Such human-machine interfaces are no longer science fiction, ...

TiVo DVR viewers bypassing 10 p.m. slots

New research indicates viewers who use digital video recorders to watch their favorite broadcast TV shows tend to watch shows recorded between 8 p.m. and 10 p.m. -- and many of them appear to be skipping 10 p.m. telecasts ...