Listen to a 27-foot-tall harp that's strummed by the wind.

Use your voice to make visible patterns in sand.

Fluttering waves whirl around the edge, creating patterns of evenly spaced ripples.

Use speed and air to build waves.

Linked pendulums can get one another going.

Talk, clap, yodel, yell—your sounds bounce back at you.

Talk, clap, yodel, yell—your sounds bounce back at you.

A constant stream of air forces a lightweight piece of free-flowing fabric up into the air.

This giant balloon bends sound waves just as a lens bends light.

Sand reveals vibrations that are normally invisible.

This moving loop of chain sets up strange, hovering wave patterns.

See how strings behave when they vibrate and make sound.