3D-printed robotic hand powered by water can play Super Mario Bros

3D-printed robotic hand powered by water can play Super Mario Bros

A 3D-printed robotic hand manipulated by pressurised water can complete the first degree of classic computer game Super Mario Bros in less than 90 seconds.

Ryan Sochol and his team at the University of Maryland 3D-printed the hand in a single operation by using a machine that may deposit hard plastic, a rubber-like polymer and a water-soluble “sacrificial” material. This last material enables complicated shapes to be supported during construction before it is rinsed away in water when the printing process is complete.

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