WATCH: Waves in Liquid Metal Form Entrancing Patterns, Offer Hints on Quantum Theory

Cymatics. If you know the word, it conjures images of hypnotic geometries, shapes of sand that shift and rearrange into ever-more-elaborate configurations, while a humming sound in the background rises in pitch to become a whine, and then a high, warbling tone.If you don't know the word...put your headphones on and strap in. You'll thank us. Any time you see someone putting on chain mail for a physics demo, it's a pretty good clue that things are about to get really exciting. The famous vibratin...