I must confess that, at that time, I had absolutely no knowledge of the slowness of the relaxation processes in the ground state, processes which take place in collisions with the wall or with the molecules of a foreign gas.
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Mothers, unless they were very poor, didn't work. Both of my parents had to leave education. My mother had to work in a cotton mill until 18 or 19, when she took some training in domestic science.
Modern cynics and skeptics... see no harm in paying those to whom they entrust the minds of their children a smaller wage than is paid to those to whom they entrust the care of their plumbing.

