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Green Spinach May Soon Power More Than Popeye's Biceps |
| Section: NATURAL SCIENCE / SCIENCE AND SOCIETY |
| Author: Steve Mitchell |
| Publication: The world & I online |
| Issue Date: 1/1/2005 |
| Size: 736 Words, 4,931 Characters |
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For the first time, MIT researchers have incorporated a plant's ability to convert sunlight to energy into a solid-state electronic "spinach sandwich" device that may one day power laptops and cell phones.
At the heart of the device is a protein complex dubbed Photosystem I (PSI). Derived from spinach chloroplasts, PSI is 10 to 20 nanometers wide. Around a hundred thousand of them would fit on the head of a pin. "They are the smallest electronic circuits I know of," said researcher Marc A. Baldo, assistant professor of electronic engineering and computer science at MIT.
Baldo and other researchers from ...
. . .
...bling them on rough surfaces or 3-D surfaces, like skyscrapers that concentrate a huge amount of surface area within a relatively small space.
Patrick J. Kiley (S.B. 2003) of MIT also worked on this research, which is funded by the Defense Advanced Research Projects Agency, the Air Force Office of Scientific Research, and the National Science Foundation.
© 2004 United Press International
(628 of 4,931 characters)
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