Thought for the month

“Everything that irritates us about others can lead us to an understanding of ourselves.” Carl Jung, Swiss psychologist (1875 – 1961).

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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