PROCEDURE:
                        Step 1. Go to thePractical Holography site and
                                                  read through the "SOME BASIC                                                   CONCEPTS" section.
                                      Step 2. Go to the Holography Quiz Page,
                                                   take the quiz
                                                   and report your score to the instructor.
                                      Step 3. Visit some of the sites below to gain more
                                                  knowledge about Holography.