Abstract
IN Nature of November 24, p. 906, Dirac draws an interesting conclusion from his new electrodynamics; namely, the necessity of a revival of the æther concept. I have some doubts whether such an inference is necessary. Indeed, if we eliminate the coefficient λ from Dirac's equations, we obtain the following system of equations: 
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INFELD, L. Is there an Æther?. Nature 169, 702 (1952). https://doi.org/10.1038/169702a0
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DOI: https://doi.org/10.1038/169702a0
