sonic tractor beam – Michael Allen

We’ve mastered acoustic levitation – and it is surprisingly useful

Making images with sound

Ultrasound device creates an audio, visual and tactile 3D display

Ultrasound guides particle in a midair display

Watch a ‘sonic tractor beam’ do some midair sewing

Acoustic tractor beam can grab objects from behind obstacles

Watch the world’s most powerful tractor beam levitate its biggest catch

Sonic tractor beam grabs hold of large objects

Sonic tractor beam can be made for less than $90

Sonic tractor beam can manipulate objects in mid-air