El domingo, 6 de diciembre de 2020 a las 18:35:11 UTC+1, Pentcho Valev escribió:
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John Stachel: "But this seems to be nonsense. How can it happen that the speed of light relative to an observer cannot be increased or decreased if that observer moves towards or away from a light beam? Einstein states that he wrestled with this problem over a lengthy period of time, to the point of despair." http://www.aip.org/history/exhibits/...relativity.htm

The constant-speed-of-light axiom is OBVIOUS NONSENSE. The frequency increases for moving observer BECAUSE the speed of light pulses relative to him increases (no other reason exists):

https://youtube.com/watch?v=bg7O4rtlwEE

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Pentcho Valev

Speed of light:
https://www.youtube.com/watch?v=cMwFjqGeAtE
Carlos L