The current issue of the science journal Nature features an extensive report from a group of Arizona researchers who succeeded in creating a real-time image – one that can be viewed without glasses—from multiple angles. (Just like in 'Star Wars'!) The image, the researchers said, is recorded using a battery of cameras. The more cameras that are used, the more refined the final holographic presentation will appear.That information is then encoded onto a fast-pulsed laser beam, which interferes with another beam that serves as a reference.