What are Holograms Used For?
Holograms have many uses in art, science and technology. You may find holograms on certain product packaging at your local store. Several magazines have featured holograms on their covers. Holograms are found on credit cards, drivers licenses, and even clothing to help stop counterfeiting. It is possible to take flat medical images, such as a CAT scan and have the final image as a three-dimensional hologram. Computer-generated holograms allow engineers and designers to visually see their creations like never before. Engineers also use holography to test for fractures and also for quality control during manufacturing. It is called holographic non-destructive testing. Holograms are used in many airplanes, both civilian and military. These holograms provide the pilot with critical information while looking through the cockpits window. It is called a heads-up display. Heads-up displays are now available in certain automobiles as well. Artists use holography for artistic expression. Many ar
