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.
Our best theory of gravity is classical General Relativity. "Classical" is physics-speak for not taking into account quantum mechanics. So we know that classical GR has to break down during the Planck era, if not later. Classical Big Bang cosmology … Continue reading →
Posted in Physics, Reviews
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The next topic from the Carroll-Craig debate which I wish to discuss is what Science has to say about whether or not there was a beginning. Was there a first moment of time, before which the universe did not exist? … Continue reading →
Posted in Physics, Reviews
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I've written a pop-article about Time Machines and Event Horizons, which has appeared on the Scientific American blog Critical Opalescence. George Musser, my host, is an editor at Scientific American, and kindly gave me this opportunity to talk about some … Continue reading →
Posted in Links, Physics
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Speaking of the God of the Gaps™, I was myself accused of believing it just the other day. I was at dinner with Raphael Bousso, Eva Silverstein, Ori Ganor, and some other physicists, and they were discussing fine-tuning and questions … Continue reading →
Then there is the phrase "The God of the Gaps"™. In any long discussion on "Science and Religion", this phrase must eventually be deployed by one or the other party, either by the skeptic (with a triumphal tone as of … Continue reading →