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Latest Now Wladek Walukiewicz Stories

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2011-01-26 10:01:59

Solar cells are made from semiconductors whose ability to respond to light is determined by their band gaps (energy gaps).


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.