- #1
Bobbywhy
Gold Member
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“A tractor beam reels in objects with sound”
“A newly constructed device generates a beam of concentrated sound that, for the first time, exerts a continuous, perceptible tug on objects large enough to see.”
https://www.sciencenews.org/article/tractor-beam-reels-objects-sound
“A newly constructed device generates a beam of concentrated sound that, for the first time, exerts a continuous, perceptible tug on objects large enough to see.”
https://www.sciencenews.org/article/tractor-beam-reels-objects-sound