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On January 23, 2026, a collaborative effort between scientists from the University of New South Wales and the University of Sydney in Australia led to the development of an entirely novel motor. Unlike traditional motors that depend on the rotation of rigid components, this motor harnesses the flow of liquid metal for its operation. This groundbreaking accomplishment has been featured in the latest edition of the Flexible Electronics journal. It is anticipated to have extensive applications in the future, spanning areas such as soft robotics, flexible electronics, and medical devices.
The motor operates by placing liquid metal droplets in a salt solution and then applying an electric field. This process generates eddy currents, which in turn drive a copper paddle to rotate. Remarkably, it can achieve a maximum rotational speed of 320 revolutions per minute.
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