Poster of Cast and Crew in Why Is It So? - Levers, Inclined Planes, Geared-Wheels and Other Simple Machines (Season 1 - Episode 15) - Levers, Inclined Planes, Geared-Wheels and Other Simple Machines

Why Is It So? - Season 1 - Levers, Inclined Planes, Geared-Wheels and Other Simple Machines (Episode 15)

Plot: With a great many tools before him, Professor Miller sets out to prove that all tools and machines are linked to the two simplest: the lever and the inclined plane.
Episode Aired On:
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