A dumbbell-shaped nanoparticle powered just by the force and torque of light has become the world’s fastest-spinning object.
Scientists at Purdue University created the object, which revolves at 300 billion revolutions per minute. Or, put another way, half a million times faster than a dentist’s drill.
In addition, the silica nanoparticle can serve as the world’s most sensitive torque detector, which researchers hope will be used to measure the friction created by quantum effects.
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