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"In September 2011, it was reported that a tau neutrino had traveled faster than the speed of light in a major release by CERN." Well, not quite. It was reported that a tau neutrino was measured to have travelled faster than light. The most obvious explanation for this anomaly was always inaccurate equipment. Probably no-one at CERN reported that the particle had actually broken the law of special relativity. Shouldn't we change the text accordingly? Steinbach ( talk) 21:46, 18 June 2022 (UTC)
The current article leads with an colorful image
With the caption = Because the tachyon travels faster than light, the observer sees nothing until it has already passed. Then, two images appear: one of the sphere arriving (on the right) and one of it departing (on the left).
The image is fun, but meaningless. What are the axes here? the bold lines? The colors? The meaning of the shapes? What of there velocities? How can we see a "tachyon" if tachyon's do not exist?
Without answers to these kinds of questions I think a a picture of a donut or yummy cake with sprinkles would be better. It would look just as good but not raise as many questions. Johnjbarton ( talk) 15:50, 21 October 2023 (UTC)
New experience witp particel,s from magnesium and light 199.47.67.33 ( talk) 05:58, 6 January 2024 (UTC)
The opening paragraph of Wikipedia's article on Tachyons needs to be challenged. Causality is not a fundamental law of physics. It is a consequence of Special Relativity applicable only to particles that travel slower than the speed of light. The whole idea of "grandfather paradox" is based upon careless use of language (by many respected physicists).A detailed debunking of several anti-tachyon myths is published in: Charles Schwartz, "A Consistent Theory of Tachyons with Interesting Physics for Neutrinos" Symmetry 14, 1172 (2202) Charlieschwartz ( talk) 15:28, 25 February 2024 (UTC)
“Covariant quantum field theory of tachyons”, see https://arxiv.org/abs/2308.00450 - looks like it deserves a mention here. Tim Bray ( talk) 17:41, 30 July 2024 (UTC)