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What is a wheel and axle mechanism? A wheel and axle mechanism is a simple device you make when you connect one or more wheels to an axle. They are used to help things move. A wheel is a round ...
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12,000-year-old stones may be oldest example of wheel-like techProfessor Grosman said: “These Natufian perforated stones are actually the first wheels in form and function — a round object with a hole in the center connected to a rotating axle ...
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