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	Podcast:		Big Picture Science
	Episode:		Time's Mysteries Part I: Marking Time
	Category:		Religion & Spirituality
	Duration:		00:50:30
	Publish Date:		2009-12-28 02:00:00
	Description:		ENCORE Time's a mystery, yet we've invented clever ways to capture it. From sundials to atomic clocks, trace the history of time-keeping. Also, discover the surprising accuracy of nature's dating schemes - from the decay of carbon to laying down tree rings. Plus, why the "New York minute" stretches to hours in Rio de Janeiro: cultural differences in the perception of time. Guests: Chris Turney - Geologist at the University of Wollongong, Australia and the author of Bones, Rocks and Stars: The Science of When Things Happened Demetrios Matsakis - Head of the U.S. Naval Observatory's Time Service Steven Jefferts - Physicist at the National Institute of Standards and Technology in Boulder, Colorado Robert Levine - Psychologist at California State University in Fresno and the author of A Geography of Time: The Temporal Misadventures of a Social Psychologist, or How Every Culture Keeps Time Just a Little Bit Differently Norman Mohr - Owner, Mohr Clocks, Mountain View, California Descripción en español
	Total Play:		0

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