Why are theoreticians filled with wanderlust?

A large tin holding dozens of keys sits in the office of the [CERN] Theory Secretariat. Each one unlocks a stay on a Theory corridor. Nanie Perrin hands them out, and collects them back, in a constant game of musical chairs - or rather, musical offices. On the Secretariat’s board (the only whiteboard in the corridor), departures are listed in red, arrivals in green.. By Corinne Pralavorio.
Read more: http://snapzu.com/AdelleChattre/why-are-theoreticians-filled-with-wanderlust