cnn.com: By Mike Steere

Picture this: you’re sat down for the Football World Cup final, or a long-awaited sequel to the “Sex and the City” movie and you’re watching all the action unfold in 3-D on your coffee table.

It sounds a lot like a wacky dream, but don’t be surprised if within our lifetime you find yourself discarding your plasma and LCD sets in exchange for a holographic 3-D television that can put Cristiano Ronaldo in your living room or bring you face-to-face with life-sized versions of your gaming heroes.

The reason for renewed optimism in three-dimensional technology is a breakthrough in rewritable and erasable holographic systems made earlier this year by researchers at the University of Arizona. [ read more ]