This is a citation of an outside article. Gravyday is not responsible for its content. Original URL below. Researchers Design Edible Holograms for Food Laser etching on food-safe pigments can create 2D images that appear 3D. (Inside Science) -- Holograms are photos that, when illuminated, essentially act like 2D windows into 3D scenes. The pixels of a hologram scatter light waves falling onto them, making these waves interact with each other in ways that generate an image with the illusion of depth.(more)
