How GPS works: The cartoon

Also: How GPS can detect nuclear explosions

With GPS navigation devices in everything from cars to your smartphone, you may not also realize that GPS satellites can also synchronize time down to the nanosecond, and detect nuclear explosions! Learn more with this fun animated video from the folks at Minute Physics:

Now if they could just get the maps better so I'm not taking a left turn into a pond, we'll be all set.

Read more of Keith Shaw's ITworld.TV blog and follow the latest IT news at ITworld. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter and Facebook.

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