Nanomachines are extremely small devices devices built from individual atoms. Some researchers believe that nanomachines will one day be able to enter living cells to fight disease. They also hope to one day build nanomachines that will be able to rearrange atoms in order to construct new objects. If they succeed, nanomachines could be used to literally turn dirt into food and perhaps eliminate poverty.
(Courtesy: 'Nanotechnology's Big Promise in a Small Package' by BRENT SILBY)
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