Category Archives: Swampland

Various and Sundry

A couple of mathematics items: Photographer Jessica Wynne has been taking photographs of mathematician’s blackboards, and there’s a story about this in the New York Times. Many of her photographs have been taken here at Columbia, where we happen to … Continue reading

Posted in Swampland, Uncategorized | 19 Comments

A Few Items

A few things that may be of interest: The Perimeter Institute has a new director, Rob Myers, succeeding Neil Turok. Myers is very much a mainstream theorist, and Perimeter over the years has been converging with the mainstream, from a … Continue reading

Posted in Swampland, Uncategorized | 3 Comments

This Week’s Hype (and a couple other things)

For today’s university press release designed to mislead the public with hype about string theory, Uppsala University has Our Universe: An expanding bubble in an extra dimension. It’s the Swampland variant of string theory hype, based on this preprint, which … Continue reading

Posted in Swampland, This Week's Hype, Uncategorized | 2 Comments

Last Night’s Hype

If you’re a Friend of the IAS ($1750/year and up), you were invited to a talk last night, at which IAS member Thomas Rudelius promised to explain to you How to Test String Theory. The video of the talk is … Continue reading

Posted in Swampland, This Week's Hype | 3 Comments

This Week’s Hype

The story of string theory as a theory of everything has settled into a rather bizarre steady-state, with these three recent links providing a look at where we are now: At his podcast site, Sean Carroll has an interview with … Continue reading

Posted in Swampland, This Week's Hype | 14 Comments

On Status of KKLT

(Warning, this is just more about the topic of the last posting, which for most people will be a good reason to stop reading now. On the other hand, if you’re obsessed with the controversy over string theory, you might … Continue reading

Posted in Multiverse Mania, Swampland | 15 Comments

Theorists with a Swamp, not a Theory

In recent weeks string theory has been again getting a lot of press attention, because of claims that new progress is being made in the study of the relation of string theory and the real world, via the study of … Continue reading

Posted in Swampland | 15 Comments

Strings 2018 Panel Discussion

A panel discussion at the Strings 2018 conference ended by addressing audience questions, and this seemed to me to give some insight into where string theory is now. I noticed that the Youtube video comes with an auto-generated transcript, so … Continue reading

Posted in Strings 2XXX, Swampland | 18 Comments

This Week’s Hype

New Scientist today has a feature article headlined How to think about… The multiverse The idea of an infinite multitude of universes is forced on us by physics. It starts off quoting Sean Carroll: “One of the most common misconceptions … Continue reading

Posted in Fake Physics, Multiverse Mania, Strings 2XXX, Swampland | 17 Comments

Are We In the Swampland?

Way back in 2005, soon after the emergence of the “String Landscape” and the ensuing debate over whether this made string theory untestable pseudo-science, Cumrun Vafa in response started writing about the “Swampland”. In contrast to the “Landscape” of effective … Continue reading

Posted in Swampland | 21 Comments