I love using old machine parts for my projects; often their workmanship surpasses that of anything new, and you can get them cheap or even free. Find a junkyard full of ancient, rusty industrial equipment, and you can build almost anything — or at least be inspired to, which is half the battle! But many […]
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This think-small washer needs no electricity or running water.
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Use a solar-powered motor and a shade to follow the sun, maximizing its energy.
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Magnetic stirring on the cheap!
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A hollow bolt hides secret messages.
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Make your own nails and other small iron parts with this simple micro forge.
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Makey is an autonomous robot programmed to follow objects around and avoid obstacles. It has a fully enclosed chassis and uses tank steering.
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