Motivating Question: When an Elephant Charges, Is It Walking or Running?

Monday, February 15, 2010 - 11:49 in Mathematics & Economics

Anyone who watched Ethiopia's Derartu Tulu win the 2009 New York City Marathon would agree: She was running. But what about high-speed elephants ? Their five-ton frames preclude them from breaking into a bouncy jog, yet charging elephants can reach speeds on par with Tulu's. But are they running? [More]

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