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Unique ‘hydromechanical’ watch tells time using pistons and bellows

Hands? Digital read-outs? All out of date The wristwatch of the future indicates the hour by using miniature pistons and bellows to drive a fluorescent green liquid around a ring. According to a description quoted by Cory Doctorow at BoingBoing, “Pistons in the movement move the bellows. As one expands…