as a sci fi freak, I love the idea of 3D Holograms
well guess, what you can now get a projector array from PC world...
Sorry, only kidding
it is actually currently under development at the University of Arizona. Inspired by Star Wars, the team struggled to create a material capable of storing moving holographic information, but eventually had a breakthrough. It isn’t quite up to scratch yet (the picture only changes every two minutes), but they’re refining the technique.