James Owen Weatherall, professor of logic and philosophy of science at the University of California, Irvine, [writes]: It turns out that orbital rotation in general relativity is much more subtle than Newton, or anyone else before the 20th century, imagined. In fact, David Malament, a philosopher of physics at the University of California, Irvine, has shown that there is no notion of rotation in general relativity that lives up to the basic picture sketched above.

For the full story, please visit http://nautil.us/blog/why-rotation-makes-no-sense-sometimes.

 

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