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.

Monday, 20 April 2015

Chameleon materials

Engineers create chameleon-like artificial 'skin' that shifts color on demand

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