Making A Computer From Bubbles

Stanford professor Manu Prakash explains how bubbles can be used as bits to make a computer. By directing the bubbles through etched pathways, they act like electrons traveling through circuits. In this system, however, the computer is powered by gravity and the bubble bits can carry things inside of them as they compute.

Source: http://www.npr.org/2012/01/13/145175267/making-a-computer-from-bubbles?ft=1&f=1007

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