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.

Wednesday, 22 July 2015

Graphene lights bulb

The first on-chip, visible-light source that uses graphene as a filament has been created by an international team of researchers.

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