News tagged with electromagnetic signals

Radio Waves: Alternative Power Source

( -- Researchers at Duke University are harvesting ambient radio waves to power small microprocessor devices that consume very little energy. Devices such as sensors that monitor critical environmental changes ...

dateJul 20, 2010 in Engineering weblog
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Perfect communication with imperfect chips

One of the triumphs of the information age is the idea of error-correcting codes, which ensure that data carried by electromagnetic signals — traveling through the air, or through cables or optical fibers — can ...

dateAug 05, 2011 in Computer Sciences
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