This entry appears on the Oxford University Press blog site: http://blog.oup.com Is it the sense of experiencing reality that makes movies so compelling? Technological advances in film, such as sound, color, widescreen, 3-D, and now high frame rate (HFR), have offered ever increasing semblances of realism on the screen. In The Hobbit: An Unexpected Journey , we are introduced to the world of 48 frames per second (fps), which presents much sharper moving images than what we've seen in movies produced at the standard 24 fps. Yet many viewers, including myself, have come away with a less-than-satisfying experience as the sharp rendering of the characters portrayed is reminiscent of either old videotaped TV programs (soap operas, BBC productions) or recent CGI video games. What features of HFR create this new sensory experience and why does it appear so unsettlingly similar to the experience of watching a low budget TV program? One factor that c