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The Mathematics of Walking and Gait - Christmas Lectures with Philip Morrison

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Channel: The Royal Institution
Categories: Physics   |   Math   |   Science  
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Just like the extent of the swing of a pendulum is proportional to the length of the pendulum, the pace of an animal walking is proportional to the length of the leg of the animal.
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Philip Morrison gave the 1968 Christmas Lectures "Gulliver's Travels" which focused on the importance of scale in science. Taking inspiration from Dean Swift's Gulliver in the lands of Lilliput and Brobdingnag , we go on a journey from the fundamental building blocks of the universe to the stellar size of of our galaxy.

In his third lecture, Philip Morrison looks at how organisms and man made objects of different sizes move, be it walking, swimming, running or floating.

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