Thought for the month

“The way to get things done is not to mind who gets the credit for doing them.” Benjamin Jowett, teacher and theologian (1817 – 93).

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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