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, 26 August 2015

Avogadro and the kilogram

A kilogram defined in terms of fundamental constant instead of a physical mass will expand international access to precise measurements.

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