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Nanotechnology
Researchers find a new way to read nanoscale vibrations
April 10th, 2007
Nanomechanical oscillators -- tiny strips of vibrating silicon only a few hundred atoms thick -- are the subject of extensive study by nanotechnology researchers. They could someday replace bulky quartz crystals in electronic circuits or be used to detect and identify bacteria and viruses. The catch is that measuring their vibrations isn't easy. It is usually done by bouncing laser beams off them -- which won't work when the nanodevices become smaller than the wavelength of the light -- or with piezoelectric devices -- those bulky quartz crystals we're trying to get rid of. Now Cornell University researchers have come up with a very simple solution:...
Source: Life Science Weekly (2007-04-10)
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