What's Inside a Prosthetic Leg? | I Didn't Know That

Go behind the scenes at a factory that makes top-of-the-line artificial legs that contain hydraulics, brakes, microchips, and miniature motors.
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Two industrial scientists, Richard Ambrose and Jonny Phillips, explain the science behind everyday life... from microwave ovens to beating a lie detector.
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What's Inside a Prosthetic Leg? | I Didn't Know That
• What's Inside a Prosth...
National Geographic
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