"In the first stage, cannibalism is in the lowest acceptance level in the Overton window. Society considers it immoral. It's considered disgusting and preposterous. At this point, the window is closed and unmoving. To begin changing public opinion,
scientists start studying it. For scientists, there shouldn't be any taboo subjects...After stage 1, the idea has gone from being unthinkable to being discussed. In the second stage, people begin to accept the idea. With scientists' conclusions, society
views those who refuse to acquire knowledge about the subject intransigent. People who resist will start to be seen as fanatics who oppose science."
https://exploringyourmind.com/overton-window/
Similarly, "speed of light independent of the speed of the observer" was preposterous nonsense initially. Einstein wrestled with his conscience "over a lengthy period of time, to the point of despair" before positing it:
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."
https://history.aip.org/exhibits/einstein/essay-einstein-relativity.htm
Poincaré also suffered, went through confusion, but in the end succumbed to his conscience and did not accept the nonsense:
"From his [Poincaré's] point of view, the true velocity of light in a moving frame was not a constant but was given by the Galilean law of addition of velocities."
https://www.jstor.org/stable/10.1086/430652
Nowadays "speed of light independent of the speed of the observer" is a universally accepted truth. Anyone who opposes it automatically becomes crackpot, crank, troll etc.
More here:
https://twitter.com/pentcho_valev
Pentcho Valev
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