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Negative / Null Result ReportOpen accessPhysics

Arago (1810): the first experimental result against the ether

Rafael Ferraro; Daniel M. Sforza · 2004 · arXiv

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

The finding, in one line

The null result of this experiment gave rise to the Fresnel's hypothesis of an ether partly dragged by a moving substance.

Abstract (excerpt)

95 years before Special Relativity was born, Arago attempted to detect the absolute motion of the Earth by measuring the deflection of starlight passing through a prism fixed to the Earth. The null result of this experiment gave rise to the Fresnel's hypothesis of an ether partly dragged by a moving substance. In the context of Einstein's Relativity, the sole frame which is privileged in Arago's experiment is the proper frame of the prism, and the null result only says that Snell's law is valid in that frame. We revisit the history of this premature first evidence against the ether theory and

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Metadata source: arXiv