Ultrasound creates a tube that guides matter through the air

T2Covered by 1 source · first reported by Phys.org / ScienceDaily (tech) at 20 Oct, 13:40 UTC

A small stream of liquid flows quietly in midair, horizontally, as if inside an invisible tube. Nothing touches it. About 5 centimeters (2 inches) away, a cylinder lined with hundreds of tiny speakers surrounds the stream, yet there is no sound. The liquid simply keeps flowing.

Sources

• T2Ultrasound creates a tube that guides matter through the airPhys.org / ScienceDaily (tech)20 Oct, 13:40