Hundreds of millions of pounds are rumoured to have been spent on the visual effects of the new 3D film by Hollywood director James Cameron. Click takes a look at the cutting edge technology used to bring the sci-fi epic Avatar to life.
At TEDxUSC, computer graphics trailblazer Paul Debevec explains the scene-stealing technology behind Digital Emily, a digitally constructed human face so realistic it stands up to multiple takes.
Ed Ulbrich, the digital-effects guru from Digital Domain, explains the Oscar-winning technology that allowed his team to digitally create the older versions of Brad Pitt's face for "The Curious Case of Benjamin Button."
