Mind Juice

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.

See more: theatlantic.com/video/index/358609/where-time-comes-from/

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Mind Juice

Matt Schwarz Staff

Welcome to a collection of videos I call Mind Juice. It's juice for your mind – a channel for only the best things I've found on Vimeo. Go on, take a sip.

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