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Mar 2, 2022, 2:00 pm154 pts
Ars Technica
Enlarge (credit: Wikipedia) It's a question I'm sure was keeping you up at night: can you make an object spin with a sound wave? The answer, generally speaking, used to be no. Now, though, mechanical engineers have taken a look at what their colleagues who play with lasers can do, and having seen the light,…
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