Room 3b

The room where most of the lectures at the Unseen University take place. It also happens to not exist and exist, leaving the choice upto the person. This is to the mutual benefit of both teachers and students knowing they all have a big enough place were to study and teach that isn’t there.

footnote

is giving a lecture in room 3B,*

All virtual lectures took place in room 3B, a room not locatable on any floor plan of the University and also, it was considered, infinite in size.Interesting Times, p. 22