Thought for the month

“There is nothing noble in being superior to some other man. The true nobility is in being superior to your previous self.” Probably W.L. Sheldon, US lecturer on ethics (1858 – 1907) rather than Ernest Hemingway.

Thursday, 21 November 2013

Tiny 'LEGO brick' -style studs make solar panels a quarter more efficient

Rows of aluminium studs help solar panels extract more energy from sunlight than those with flat surfaces.

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