Actually, real 3D holograms are possible already. [ame=" https://www.youtube.com/watch?v=EndNwMBEiVU"]'True 3D' Display Using Laser Plasma Technology #DigInfo - YouTube[/ame] Sure it's still experimental, fuzzy, inaccurate, jittery and monochromatic, but so was the Cathode Ray Tube in 1912. By 1950 many people had a TV in…