acoustic levitation

Beads held up by sound show how static charge builds
A Bristol team floated two polystyrene beads on sound waves and knocked them together again and again, and the charge built up like a…
Independent journalism on sound, waves and healing · updated daily
Sunday, November 15, 2026 · The Sunday letter

A Bristol team floated two polystyrene beads on sound waves and knocked them together again and again, and the charge built up like a…