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 ...
The Greek alphabet, which has been in use since about 9 B.C., was the first to have letters for each vowel and consonant. In physics, why are only Greek letters such as delta, sigma, gamma, etc. used ...
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