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Robotics

Submission + - Diodes could drive swimming micro-robots

finisterre writes: Diodes can be made to 'swim' through salt water by hitting them with an alternating electric field. The applied field induces a current that sets up a field between the diode's electrical contacts and creates a propulsive force. The abstract of the paper in Nature Materials is freely available. New Scientist has videos of the swimming diodes in action.

Mater artium necessitas. [Necessity is the mother of invention].

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