Thought for the month

“You cannot have freedom without a rule of law ... and if you don't have it, what you tend to get is corruption and that is death to freedom, it's death to truth, it's death to honour, it's death to democracy.”

Margaret Thatcher, 1 October 1996.

Wednesday, 27 April 2016

Clean with nanoparticles

Nanoparticle-coated textiles clean themselves with sunlight

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