“You do ill if you praise, but worse if you censure, what you do not understand.” Leonardo da Vinci, Italian Renaissance polymath (1452 – 1519).
Friday, 16 December 2016
What is a zeptosecond - not a lot!
A team in Germany have measured helium photoionization with zeptosecond precision. This is
the greatest accuracy of time determination ever achieved, as well as the first
absolute determination of the timescale of photoionization.
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