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The Touchless iPod Remote
by Luis BrunoLuis BrunoWhen you´re tearing downhill on your snowboard, it´s a little distracting to take off your glove and dig out your iPod just to, say, hit pause. Instead, build this simple...
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My Visit to An American Rare Earth Metals Mine
Pea Ridge Mine TailingsRebecca BoyleMining operations at Missouri's Pea Ridge iron mine ceased in 2001, but the owner hopes Chinese dominance over rare earth metals will spur the milling and crushing...
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