Dr. Who's sonic screwdriver a step closer to reality?

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Dundee researchers have developed a device akin to Dr. Who's "sonic screwdriver" (Image: Oliver Boyd)

Article Summary

A University of Dundee research team led by Prof. Mike MacDonald has demonstrated that both levitation and twisting forces can be applied to an object by application of ultrasonic beams. This latest breakthrough is part of a wide-ranging U.K. research effort to develop a device not unlike the "sonic screwdriver" made famous by the TV series Doctor Who.

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