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Marble machines are the kind of useless mechanisms that everybody loves. Their sole purpose is to route marbles through different paths for your viewing pleasure. They can be extremely complicated ...

Whether you’re trying to mask the noise around you or fill the silence, a sound machine can be a handy sleep aid. The constant background noise it creates can drown out loud (potentially ...

Find out more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...