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Making Silicon from Sand. In a chemical reaction straight out of Harry Potter, you can turn dirt into the building block of every computer. By Theodore Gray posted

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mining dump machine to extract gold. The mining mistakes of a golden history A gold dredge is a placer mining machine that extracts gold from sand, gravel, and

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What is oil sand? Oil sands (or “tar sands” or “bituminous sands”) refer to a mixture of sand, water

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2012-6-2 · Sand mining has occurred in Wisconsin for hundreds of years; however, recently there has been a dramatic increase in the number of mining proposals.

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Note: Our sand to silicon chips feature has been fully updated. This article was first published in May 2009. Strange things happen in forests – especially Silicon

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