Quake maker outs iPhone Rage demo

The company behind the Quake series of games, id software, as unleashed an impressive demo of it's latest gaming engine for the iPhone. The company's John Carmack showcased the short demo during his keynote speech at this year's QuakeCon shindig much to the amazement of the gathered crowd. As you can see from the video below the demo, which runs at a reported 60 fames per second on the latest iPhone 4, uses megatextures and dynamic lighting to create an eerie scenario...