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typeracer

Pit Stop
Racer Mr.Clean (vertig_o)
Race Number 105
Date Sat, 16 Nov 2019 19:36:04
Speed 48 WPM Try to beat?
Accuracy 96.2%
Rank 1st place (out of 2)

Text typed:

The second (s) is the duration of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium-133 atom.
— (book) by Theodore Wildi (see stats)

Typing Review: