My pal Amanda Bauer—aka Astropixie—has been posting a great series of short videos called Sixty Symbols, where scientists discuss the meanings of a given symbol in science, and the story behind them.

Via Astropixie comes this item of win: But it doesn’t say how I can get one! And how would 1984 open? “It was a bright cold day in April, and the clocks were striking 9 + root(9) + 9/9.” Not quite the ...