Educational Movies

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  • 02:20 Popular How to build concrete tent

    How to build concrete tent

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    Watch Richard Ambrose and Jonny Phillips quickly construct a building made of concrete canvas—a material that has all the elements of concrete, but is flexible enough to be turned into any shape. This technology allows people to erect permanent structures

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  • 09:31 Popular How Differential Steering Works - Around The Corner (1937)

    How Differential Steering Works - Around The Corner (1937)

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    How the automobile differential allows a vehicle to turn a corner while keeping the wheels from skidding.

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