Questions on Holography

1. Describe what you would see when looking at a hologram of a train as you look through different portions of the hologram.
2. How does a hologram differ from a photograph?
3. Compare the information stored in a hologram with that in a photo.
4. How do "magic eye" pictures work?
5. Describe how a transmission hologram is made.
6. What are the main requirements for making a hologram?
7. If you cut up a hologram of a chess knight into four equal parts, describe what you will see in each of the four parts.
8. How is a reflection hologram made and viewed?
9. Describe how holography can be used to detect small vibrations or motions of an object.
10. How does a supermarket scanner work?
11. What is an HOE?  What do the letters stand for?
12. What is a head-up display and what type of HOEs are used to produce it?
13. What is the information density possible in a hologram?
14. Will we soon be able to view 3D movies?