<iframe width="640" height="360" frameborder="0" webkitallowfullscreen="webkitallowfullscreen" allowfullscreen="allowfullscreen" mozallowfullscreen="mozallowfullscreen" src="http://www.theatlantic.com/video/iframe/358609/"></iframe>
Where Time Comes From
Feb 27, 2014
The time that ends up on your smartphone—and that synchronizes GPS, military operations, financial transactions, and internet communications—originates in a set of atomic clocks on the grounds of the U.S. Naval Observatory. Dr. Demetrios Matsakis, Chief Scientist for USNO's Time Services, gives a tour.
Author: Katherine Wells
About This Series
Short documentaries about explorations, inquiries, and mysteries big and small