News Tech

Sound waves put levitation on the move

Technique transports nonmagnetic particles such as cells, water droplets and coffee grounds

FLOATING OBJECTS  Using a platform of aluminum blocks to manipulate sound  waves, researchers can move levitating objects (such as this droplet of fluorescent green dye). 

Courtesy of Dimos Poulikakos

By Meghan Rosen

- More than 2 years ago

Levitating objects can spin, glide and collide together — no magnets or magic tricks required.