Tractor beams exist in the real world. They use ultrasound to hover...
Tractor beams exist in the real world. They use ultrasound to hover and manipulate tiny objects. “It can be thought of as an acoustic hologram. It’s a shape that exists in space but is made of sound.”
Tractor beams exist in the real world. They use ultrasound to hover and manipulate tiny objects. “It can be thought of as an acoustic hologram. It’s a shape that exists in space but is made of sound.”
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