What time is it?

In a story about how the rotation of the earth has slowed 2/1000 of a second over the last century, science writer Ivan Amato explains how dependent our technology is on extremely accurate time-keeping.¬† For example, if the clocks in your GPS device and the satellite it connects to are out of synch by as little as 1/1000 of a second, your location would be thrown¬† off by hundreds of miles. [Read more…]


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