“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, 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.