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Tiny Music Player Made from Wire Bridge (w/ Video)
(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker ...
Nov 04, 2009 |
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New tool could prevent needless stents and save money, cardiologist says
Doctors may be implanting too many artery-opening stents and could improve patient outcomes — and ultimately save lives — if they did more in-depth measurements of blood flow in the vessels to the heart. That's the finding ...
Jan 14, 2009 |
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