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Oct 27, 2015

World’s first sonic tractor beam lifts objects using sound waves

Posted by in category: tractor beam

Researchers from the Universities of Bristol and Sussex, in collaboration with Ultrahaptics, have built the world’s first sonic tractor beam that can lift and move objects using sound waves.

Details of the device, published in Nature Communications, describe how the tractor beam uses high-amplitude sound waves to generate an acoustic hologram that is capable of picking up and moving small objects. The technique comes straight from the pages of a science-fiction novel.

“It was an incredible experience the first time we saw the object held in place by the tractor beam,” said Asier Marzo, PhD student and the lead author of the study.

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