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Published online 10 January 2001 | Nature | doi:10.1038/news010111-3
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Honey, I shrunk the cogs
Tiny light-powered rotors could shrink engineering to the size of bacteria.
Tiny mills the size of a single red blood cell, driven by light beams, are turning the cogs of some of the world's smallest machines. Péter Galajda and Pál Ormos of the Biological Research Centre of the Hungarian Academy of Sciences in Szeged have used light to create, hold and power little rotors that could have a big future as pumps and switches.
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