Genius by Stephen Hawking

Pendulum Experiment

Clip: Episode 6 | 50s

We are introduced to Foucault’s pendulum. Moving under the influence of gravity, over the course of a day the pendulum’s direction of swing will move, a bit like the hands of a clock. But what was the source of the rotation?

Aired: 05/31/16

Rating: TV-G

Video has closed captioning.

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