“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.