Robin, Paco, and Mary learn about the illusion of impact in stunts. In Vitry sur Seine (near Paris), Chantal visits a collision research area to observe the buffers on high-speed trains. David explains how to measure the coefficient of restitution of several balls. Maggie explains the forces at work in bouncing on a trampoline. RECYCLED FROM EARLIER IN SEASON 5: Linus Pauling remembers his first science lesson: how to sharpen a pencil.FILM INSERTS: The principle of seat belts; how a kangaroo is like a rubber ball.
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3-2-1 Contact - 5x13 Motion: Smashing
- Poor
- Nothing special
- Worth watching
- Pretty cool
- Awesome
- Aired Oct 08, 1986
- Episode 5x13
- Show special No
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