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.
In this post, I've put some more technical details about what the concept of imaginary time means, to help clarify the previous post about the Hartle-Hawking No Boundary Proposal. If you don't want to have to understand equations, skip this. … Continue reading →
Posted in Physics, Reviews
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The last bit of evidence from physics which I'll discuss is the "no-boundary" proposal of Jim Hartle and Stephen Hawking (and some related ideas). The Hartle-Hawking proposal was described in Hawking's well known pop book, A Brief History of Time. … Continue reading →
Posted in Physics, Reviews
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Down in the comments section of this post, reader St. TY has the following kind thing to say about me: What an excellent blog. I have been looking for one like this for a long time. I tell what I … Continue reading →
The blog was down for several days due to computer troubles. There was a power failure in Mountain View while my parents were out of town, and then when it ended the wall.org computer booted up with the wrong operating … Continue reading →
A reader who wishes to be anonymous writes in with the following question: I heard your paper referenced in the Carroll vs Craig debate, attempted to read it, then looked you up and found your blog (which I really like!!). … Continue reading →
Posted in Physics, Reviews
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