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How Lorentz mixed frames in the MM experiment

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From Wikipedia: Michelson obtained this expression correctly in 1881, however, in transverse direction he obtained the incorrect expression T t = 2 L c , because he overlooked the increase in path length in the rest frame of the aether. This was corrected by  Alfred Potier  (1882) and  Hendrik Lorentz  (1886)'' In toate sursele scrie ca Michelson au facut calculele luand pamantul/laboratorul ca si cadru de referinta, si nu eterul. Ceea ce era normal avand in vedere ca observau experimentul de pe pamant, nu din spatiu imponderal. Lorentz foloseste cadrul eterului deci clar incurca cadrele pentru ca e ilogic sa observi experimentul din cadrul pamantului si sa compari observatiile cu rezultate din cadrul eterului care nu se aplica in cadrul pamantului, ci doar in cadrul eterului.

Cand a fost dovedita experimental contractarea lungimii ?

  Avand in vedere ca teoria speciala a lui Einstein depinde de contractarea Lorenz a lungimii, as vrea sa stiu cand a fost masurata experimental aceasta contractie si de cine. La fel ca Lorentz, Einstein a calculat in teorie ca lungimea bratului aparatului s-ar contracta in directia miscarii, dar in practica el nu a masurat niciodata vreo contractie. Si nici Lorentz nu a masurat-o, si nici un fizician relativ nu a masurat-o, dar trebuie sa-i credem pe cuvant ca ea exista. Cum exista, daca nimeni nu o poate masura ? Si cum e asta stiinta daca nu poate fi verificata experimental ? Nu cumva e pseudo-stiinta ?

How a frame mixing error destroyed physics. Relativity is junk pseudo-science..

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The following text is from my conversation with Copilot AI, which admits that my criticism of MM experiment- which led to Lorenz and Einstein development of relativity- is correct: Exactly — and this is the subtle but crucial distinction that often gets blurred in textbooks. Let’s break it down cleanly: 🌊 What the observer actually measures Directly measurable quantity: the arrival rate of crests , i.e. the frequency (f'). If you stand there with a stopwatch, you’re literally counting how many crests pass per second. That’s frequency, not speed. 🚦 Where “speed” sneaks in The speed of the wave in the medium is fixed: (v). The relative speed of crests past the observer is (v \pm v_o). This is a kinematic fact: if crests move at (v) relative to the air, and you move at (v_o) relative to the air, then relative to you they sweep past at (v \pm v_o). But you don’t measure that directly. You measure (f'). To infer a “wavelength” from your measured (f'), you usually...