#3077: de Sitter
Permalink
Transcript
[A large note is taped to a closed door, which has a doorknob with a keyhole on it. The note reads:]
20th century Dutch physicist Willem de Sitter is not welcome here
[Caption below the panel:]
My house is an anti-de Sitter space.
(Sourced from explainxkcd.com)
Title text:Our anti-de Sitter club is small at the moment, but I've started corresponding with the conformal field theory people.