Something different this week, as we're talking about something that already is a movie: The Moment, a film that's edited in real time by an audience member's brainwaves. Director Richard Ramchurn talks to us about the technology behind his remarkable film, and the hithero-impossible storytelling possibilities it opens up. You can learn more about the film at braincontrolledmovie.co.uk, and see a live screening online on September 25 at 8pm Greenwich / 4pm Eastern / 1pm Pacific. (More info on the web site)