Powerless Drive
Water-drop-run computer
A still from a video showing flip-flop memory computing based on water droplets.
For all latest news, follow The Daily Star's Google News channel. Today's computers can short out if liquid enters their innards, but water droplets could form the basis for tomorrow's electricity-free computing devices.
The idea of turning water droplets into digital bits the basic unit of data transfer came from experiments at Aalto University in Finland. When researchers observed water droplets bouncing off one another like billiard balls on a water-repellent surface, they realized they could guide the water droplets along water-repellent tracks.
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