Today on Gadgets:
  How GPS Receivers Work - A GPS receiver uses signals from satellites to pinpoint its exact location, any time, anywhere. It's the biggest thing in navigation since the compass! Find out how the GPS lets you find your way around the globe.

  How Anti-shoplifting Devices Work - A fascinating article that examines the variety of anti-shoplifting devices being used by retail businesses and how these systems and devices work!

  How Radar Works - Radar seems to have infinite uses: Police use it to clock your speed, NASA uses it to follow satellites, meteorologists use it to track storms and the military uses it to track the enemy ... Learn all about radar technology!

     
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