elkalbil

@elkalbil@jlai.lu

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⁨Comment⁩ on ⁨I can whistle at the speed of sound⁩ ⁨⁨3⁩ ⁨months⁩ ago⁩:
If you really want to be pedantic, c is the notation for the “speed of light in a vacuum”, not just the “speed of light”, which depends on the medium.