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 ...

Imagine walking through a field on a cloudless day when you suddenly hear the 130-decibel roar of a fighter jet. But you can’t spot the jet, or even tell which direction the sound is coming from.

A tiny, levitated bead is at the core of an unprecedentedly bright laser that shoots particles of sound instead of light. Just as a ray of light is made up of many particles called photons, sound ...

Slate’s Five-Ring Circus blog, the worldwide leader in Scott Hamilton news, analysis, and video mashups, is proud to bring you Hamilton’s gold-medal-winning long program from the 1984 Olympics in ...