It's 2022 -- we're rebooting wheels.
The wheel's trick is counterintuitive. It's made up of individual motors that are linked together to form it's round structure, with each module connected to rubber band-loaded plastic arms that are arranged in such a way to generate opposite torque — an unstable "nonreciprocal" arrangement that normally wouldn't allow the wheel to move at all.
Yet the push and pull of the individual motors generate circular oscillations that cause the wheel to stretch and expand in a way that allows it to roll uphill. Physics: still undefeated!"Animals are lots of interconnected oscillatory components that have to work together," Nick Gravish, a roboticist at the University of California, San Diego, who was not involved in the research, toldBut it's still unclear if biology is actually already taking advantage of these kind of processes.
France Dernières Nouvelles, France Actualités
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