Researchers from MIT have discovered a way to send highly targeted audio signals directly to someone's ear at a distance using laser beams. The system works using the "photoacoustic" effect, where ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A long time ago, in an era known as the not-too-distant past ...

Since lasers were first introduced into actual modern combat vehicles, man has dreamt of them making ‘pew pew’ noises like in science-fiction films. Well now, that dream is actually within our grasp.