UNSW researchers create the world’s first motor that spins using a droplet of liquid metal, opening new possibilities for soft robotics and flexible machines. The copper paddle rotates using swirling ...
GEARS ABRADE, pistons crack, pumps clog. If engineers had their way, machines would have no moving parts at all. Alas, a sedentary lump of metal would be a paperweight, rather than a useful machine.
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