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Nanobot Uses Bacteria Swarm for Propulsion

Canadian researcher Sylvain Martel has developed a ultra tiny machine that can be propelled and steered through a swarm of 3,000 bacteria.

The tiny device, which measures just 300x300 microns, contains a solar cell, communications circuit and sensor. By sensing pH levels and sharing them via electromagnetic pulse to a connected computer, researchers were able to control magnetically-influenced bacteria to precisely relocate their machine to seek out an environment of higher pH.
 
 

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