Ads are being blocked
For us to continue writing great stories, we need to display ads.Un-block Learn more
Please select the extension that is blocking ads.
Please follow the steps below
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
Original short documentaries produced by The Atlantic