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'Kinks' in tiny chains reveal Brownian rotation

( -- Rice University researchers have created a method to measure the axial rotation of tiny rods. The technique detailed in a paper by Sibani Lisa Biswal and her colleagues appears this month in the journal Physical ...

dateMay 19, 2011 in General Physics
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Shedding light on risks of LEDs

If you haven't taken down your Christmas lights yet, do it very carefully. Those modern, light-emitting diode bulbs marketed as safe, environmentally preferable alternatives to traditional lights actually contain lead, arsenic ...

dateMar 01, 2011 in Environment
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