About Aron Wall
I am a Lecturer in Theoretical Physics at the University of Cambridge. Before that, I read Great Books at St. John's College (Santa Fe), got my physics Ph.D. from U Maryland, and did my postdocs at UC Santa Barbara, the Institute for Advanced Study in Princeton, and Stanford. The views expressed on this blog are my own, and should not be attributed to any of these fine institutions.
Introductory Warning: please note that when theologians call God “simple” that’s a technical term. It doesn’t mean he is easy to understand. It means that he is not composed of any parts of any kind. (Depending on who you talk … Continue reading →
I’m in the middle of a six week trip in Europe; currently I’m attending the Amsterdam String Workshop. I’m reminded of something that happened to me a year-and-a-half ago December when I visited the String Theory group in Amsterdam. I … Continue reading →
Posted in Ethics, History
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A reader asks: This seems to be as good a place as any to ask a question about closed universes. See, in a lot of popular science books, they teach you that an “open” universe is one where space is … Continue reading →
[Fixed typo in Schrodinger’s equation below—AW] Previously I talked about interference, the chief weird thing about QM that makes it different from Classical Mechanics. You have to think about complex-valued “amplitudes”, from which you derive (real-valued) probabilities. From this you … Continue reading →
I didn’t want to say anything in my tribute to Justice Scalia about the politics of filling the vacancy he left behind. However, for what it is worth, I believe that the Senate should hold hearings and confirm Judge Merrick … Continue reading →