One radio station keeps the U.S. on time

07/2/2013 |

This Friday marks the 50th anniversary of a radio station whose sole purpose is to keep the nation on time. WWVB sends out a time-precise signal every night that many clocks and wristwatches across the U.S. use to make sure they have the correct time. However, technology may soon render the station obsolete, Joe Hanson writes.

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