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, 27 April 2016

Clean with nanoparticles

Nanoparticle-coated textiles clean themselves with sunlight

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