Transparent artificial muscle plays music to prove a point
Thursday, August 29, 2013 - 15:00
in Physics & Chemistry
In a materials science laboratory, a transparent disk connected to a laptop fills the room with music —- it’s the “Morning” prelude from Peer Gynt, played on an ionic speaker. No ordinary speaker, it consists of a thin sheet of rubber sandwiched between two layers of a saltwater gel, and it's as clear as a window.