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Suspend particles in midair with this acoustic levitation setup

Reading Time: 2 minutes Suspend particles in midair with this acoustic levitation setup Arduino Team — November 29th, 2018 Of course Styrofoam floats on water, but have you ever seen it float in midair? That’s exactly what Julius Kramer’s 3D-printed acoustic levitator does, using an array of 72 40kHz ultrasonic transducers to form standing waves of low and high […]