Pauli’s Theorem is not a theorem (not as Pauli stated it)
There is a quirk in the literature on time-energy uncertainty. It might have started as a little sloppiness. But it has grown into an error that seems to have spread all over the place. The incorrect...
View ArticleSpatial translations in quantum mechanics
I remember that when I first learned the Canonical Commutation Relations in quantum mechanics, they seemed mysterious: I knew I was supposed to view this as a law of nature, and that it could be...
View ArticleBohmian Indeterminism
David Bohm (Photo Credit) Bohmian mechanics is not just an “interpretation” of quantum mechanics. It is a radical revision. In this note, I’d like to point out one reason that it’s an implausible...
View ArticleThree merry roads to T-violation
Last year I had a back-and-forth Abhay Ashtekar. It was during a lively conference organised by Emily Grosholz and hosted by the Center for Gravitaiton and the Cosmos where Ashtekar is director. Our...
View ArticleThe physics of the 2015 Supertide in Western Europe
The causes of tides The tides are caused by two things. The moon’s gravitational force pulling on the oceans. The sun’s gravitational force pulling on the oceans. An eclipse does not cause the tides....
View ArticleCurie’s Principle: Not a theorem, Not even for Ismael
Twenty years ago now, Jenann Ismael wrote a fascinating little article called "Curie's Principle" (1997 Synthese), which discussed a symmetry principle due to Pierre Curie: “When certain effects show...
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