November 07, 2011, 3:01 PM — 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.
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