News tagged with power electronics

Nanogenerator's output triples previous record

(Phys.org)—Taking an important step forward for self-powered systems, researchers have built a nanogenerator with an ultrahigh output voltage of 209 V, which is 3.6 times higher than the previous record of 58 V. The nanogenerator, ...

dateJan 03, 2013 in Nanophysics feature
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Privacy group gets NSA files on utility research

(Phys.org)—Files obtained by the Electronic Privacy Information Center (EPIC) and provided to CNET show that the National Security Agency (NSA) under its secret Perfect Citizen program is looking at the computerized systems ...

dateDec 26, 2012 in Internet weblog
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1000 calibration reports . . . and counting

The U.S. Internet – and indeed any communication system that sends information by fiber-optic cable – depends critically on strong, clear signals propagating reliably through transmission lines. The principal measurement ...

dateNov 22, 2012 in General Physics
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