Thought for the month

“The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.”

Abraham Lincoln, US President (1809-65).

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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