subject: "Star Wars" 3D Holograms Could Soon Be A Reality [print this page] In addition, there is a single laser system to write the images on the photorefractive polymer, researchers can show the visual refresh rate color.While current multi-color display is also slower than monochrome images, the development suggests a true 3D, multi-color feasible.The research can be described in a cover story Nov. 4, 2010, issue of Nature.