Big Picture Science Show

Time’s Mysteries Part I: Marking Time

todayDecember 28, 2009 6

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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:

Descripción en español

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Big Picture Science Show

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