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VibraHand Wearable Acoustic Levitator

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Credit: Jiwan Kim , Hohurn Jung , Ian Oakley

Acoustic levitation is a fun science trick that involves using sound waves to lift tiny objects such as insects off the ground and keep them suspended. We have already covered a bunch of simple kits that let you experiment with this at home. The VibraHand takes it to the next level. It has a bunch of sensors to give you super powers. It has surface vibration sensing, ultrasound, and mmWave radar, so you can listen to conversations through walls, detect movement, and levitate small objects.

VibraHand: In-Hand Superpower Enabling Spying, Precognition, and Telekinesis

The above video shows this wearable device in action. You can read the entire paper here.

[credit: Jiwan Kim , Hohurn Jung , Ian Oakley]

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