Where Our Time Comes From: The US Naval Observatory Master Clock

Here on TWA, I offer my opinions on the latest watches, I interview collectors, and I frequently discuss my passion for vintage timepieces. However, I have yet to explicate the complicated meaning of time. No person can better accomplish this than Demetrios Matsakis, Chief Scientist at the United States Naval Observatory's Time Services. 

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2015, THE WATCH ADVISER, Time Well SpentLuke RottmanUS Naval Observatory Master Clock, US Navy, Time Well SpentComment