"It the hardest thing to tell the people in this country: There was a time when everyone in this country all did one thing together." Yeah yeah, common foe (th

"It the hardest thing to tell the people in this country: There was a time when everyone in this country all did one thing together." Yeah yeah, common foe (this was around ww2), I know. But still. That nano and pico seconds example is such a nice example of taking a difficult scientific concept and getting it across, in a way that I'll never forget.