There are some self-evident ones, like Planck’s constant h, the speed of light c and the cryptic signs that represent planets in ancient (and modern) astronomy. For other symbols, part of the fun lies ...
Do you know what the hell is the Schwarzschild radius? I didn’t have a clue, but now I know that if you compress Earth to an 8mm radius ball, you will get a black hole. My fascination didn’t stop ...
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