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LED is a light emmiting diode. It only allows 1 direction of current, and it lights in that...
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|current||16:14, April 19, 2011|| (35 KB)||Science101 (Talk | contribs)||Because the previous has an adobe logo on it and I want it to be more better.|
|23:42, April 16, 2011|| (134 KB)||Science101 (Talk | contribs)|
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