London: Scientists have successfully used sound waves to levitate and manipulate multiple objects simultaneously for the first time, using the system to “sew” a thread into a piece of fabric.
The system could be use to acoustically stitch up internal injuries or deliver drugs to target organs.
Sound exerts a small acoustic force and by turning up the volume of ultrasonic waves, too high pitched for humans to hear, scientists create a sound field strong enough to move small objects. (PTI)
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