I added this paragraph to the end of the article Einstein's Abandonment of the Ether:
In spite of the simplicity and consistency of his theory, Einstein's assertion that the ether is superfluous cannot be proven by experiment. With regard to predicting the outcome of any experiment, Lorentz's ether theory is just as good as Einstein's etherless theory. The two theories agree as to the function of the universe; they disagree as to its design. (See Janssen's dissertation for more information on the empirical equivalence of the two theories.)
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