"...whereby millimetre-sized particles were levitated and moved three-dimensionally by localised ultrasonic standing waves, which were generated by ultrasonic phased arrays. Our manipulation system has two original features. One is the direction of the ultrasound beam [...] The other is the manipulation principle."
01 January 2014
Acoustic Levitation ~ 3D Mid-Air Ultrasonic Lift!
io9's Annalee Newitz spots Acoustic Levitation...