Collision launch at Hay Festival with Steven Moffat, Lucy Caldwell, Prof Robert Appleby & Ra Page
Watcher (former) Dr. Who showrunner Steven Moffat talk with award-winning author Lucy Caldwell, Professor Robert Appleby and Comma's Ra Page about CERN, physics, backwards causation, dark matter and scientific realism in fiction at Hay Festival earlier this summer.
Filmed by Charlotte Potter.