Put the stereotypes out of your mind. Forget the zits, the Cheetos, the smell of too much time on a couch with the curtains drawn. Today’s videogames draw on sophisticated science like biomechanics, fluid dynamics and computational geometry to be lifelike and exciting. Here are the 10 greatest challenges of making them. See for yourself—it’s virtual reality, but it’s real work (from popsci.com)
http://popsci.com/popsci/technology/831 ... drcrd.html