Researchers have demonstrated that quantum entanglement can link atoms across space to improve measurement accuracy. By ...

Millions of people rely on wearable devices to monitor how well they're sleeping. Sleep trackers don’t necessarily measure ...

Smartwatches are incredible tools, but they are demanding. They buzz during meetings, light up in movie theaters, and need to be charged almost as often as your phone. For many of us, the friction of ...

Northwestern University researchers have developed the first device that can continuously track a fetus's vital signs while ...