The theoretical physics discussion group was joined recently by Jon Cartwright, freelance science journalist, and Louise Mayor, features editor of Physics World, for a discussion on the recent PBR theorem of quantum foundations. The theorem was covered by Jon in the May issue of Physics World. After the usual lively debate and discussion - this time starting with "I think therefore I am" and ending with "does this object live in Hilbert space?" - Dr Mayor wrote the following review of the afternoon for the Physics World website:

http://blog.physicsworld.com/2013/05/17/an-afternoon-of-quantum-theory/