The Clock, a 24 hour film collagetexTime is indeed of essence for artist and film maker Christian Marclay. The Clock is a 24 hour film installation made up of thousands of snippets from throughout the history of the movies (and some television clips) with references synced to real time. This is how it works: In every city where the film is screened, it is synchronised to local time. At least once in every minute, there...