Category Archives: Uncategorized

SUSY 2015

SUSY 2015, this year’s version of the big annual conference on supersymmetry, has been going on for the past week at Lake Tahoe. Joe Lykken began his summary talk by explaining how as a kid he was a big fan … Continue reading

Posted in Multiverse Mania, Uncategorized | 32 Comments

Math and Physics Summer Camps

With the kids shipped off to NSA summer camp, now is the time for mathematicians and physicists to head off to their own summer camp experiences. Some of these have websites where the rest of us can participate a bit … Continue reading

Posted in Uncategorized | 2 Comments

Random Notes

The LHC has now finished the first part of its physics run at 13 TeV, with intensity ramping up more slowly than hoped. Total luminosity/experiment so far is about .1 inverse fb (see here), about a tenth of some earlier … Continue reading

Posted in Uncategorized | 10 Comments


Over the years the NSF has financed various summer camps for high school students, designed to get them interested in mathematics or other areas of science. This summer they’ve teamed up with the NSA to deal with the problem of … Continue reading

Posted in Uncategorized | 39 Comments

My Summer Vacation

When I was young, I recall that a standard assignment when restarting school was an essay on “what I did on my summer vacation”. Now that I’m back in the office after a vacation, here’s a version of that, covering … Continue reading

Posted in Uncategorized | 16 Comments

Summer Break

Heading out soon for summer vacation travels, this time to Ireland and France, back in about two weeks. While away comments will be shut off. My vacation will spare readers commentary on the rest of the Strings 2015 talks, which … Continue reading

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Anomalies Revisited

Some of the talks at Strings 2015 have now appeared online, and one of them I found quite fascinating, Witten’s Anomalies Revisited. Some of his motivation comes from string perturbation theory and M-theory, but the questions he addresses are fundamental, … Continue reading

Posted in Uncategorized | 9 Comments


Another conference that starts today is the Convergence conference at the Perimeter Institute. The concept is explained by Neil Turok here. His point of view is one I’m very much in sympathy with: Turok explains that the “large bandwagon” of … Continue reading

Posted in Uncategorized | 34 Comments

Various Links

Ordered from the more to less serious… On the geometric Langlands front, there’s video posted today of this talk by Dennis Gaitsgory. Michael Harris has already commented here about the local geometric Langlands conjecture in terms of 2-categories that Gaitsgory … Continue reading

Posted in Uncategorized | 16 Comments

A View from an Ex-String Theorist

Every so often I’ve taken a look at something about theoretical physics on Reddit, generally ending up not spending much time there. One reason was that I realize I’m already spending more of my life than is healthy arguing with … Continue reading

Posted in Uncategorized | 38 Comments