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Researchers discover how to shape sound in 3D

Researchers from Max Planck in Stuttgart have created an acoustic hologram capable of moving objects using nothing but sound.
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Sonic tractor beam moves stuff with sound

Academics / General Science : ScienceDaily: Science Society

Scientists have built a novel sonic tractor beam that can lift and move objects using sound waves. High-amplitude sound waves are used to generate an acoustic hologram which can pick up and move small objects.

3D-Printed Acoustic Holograms Could Move Objects in Midair

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3D-printed plastic blocks can now be turned into acoustic holograms that generate 3D shapes made of sound, which could function like sonic "tractor beams," according to a new study.

Scientists develop acoustic levitation, could enable the eventual levitation of humans

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For the first time, researchers have succeeded in levitating and moving arbitrarily shaped objects using acoustic (sound) waves. The researchers, from the Swiss Federal Institute of Technology (ETH) in Zurich, have already used thei...

Shape-programmable miniscule robots

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One day, microrobots may be able to swim through the human body like sperm or paramecia to carry out medical functions in specific locations. Researchers from the Max Planck Institute for Intelligent Systems in Stuttgart have develo...

Shaping sound waves in 3-D could be useful for medical ultrasound applications

Academics / Physics : Physorg: Physics

Sound can now be structured in three dimensions. Researchers from the Max Planck Institute for Intelligent Systems and the University of Stuttgart have found a way of generating acoustic holograms, which could improve ultrasound dia...

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