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Two For One In Solar Power
2013-11-18 09:51:03

Solar cells offer the opportunity to harvest abundant, renewable energy.

2008-10-07 03:00:19

By Xu, Zhihua Zang, Huidong; Hu, Bin Organic semiconducting materials have demonstrated attractive light-absorption and photocurrent-generation functions due to their delocalized pi electrons as well as intra-molecular and inter- molecular charge separation processes.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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