News tagged with global positioning system

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Explainer: what is GPS?

It's a device used widely in cars, on smartphones and in fitness devices. But what exactly is GPS, and how is it able to pinpoint our exact location anywhere on Earth?

Mar 08, 2013
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20 NASA balloons studying the radiation belts

In the bright, constant sun of the Antarctic summer, a NASA-funded team is launching balloons. There are twenty of these big, white balloons, each of which sets off on a different day for a leisurely float ...

Feb 04, 2013
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Judge allows evidence against man in GPS case

(AP)—A federal judge is allowing prosecutors to use evidence in a drug conspiracy conviction that had been overturned because police used a global positioning system without a warrant.

Dec 20, 2012
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