6 Follow the development of the laser from the death ray of science fiction to its real-life uses in modern communications and medicine. Physical principles, History of science Hologram Magic - pg.
Sidebars explain how holograms are made and viewed.
20 Laser technology is improving diagnosis and treatment in medical fields ranging from dentistry to cosmetic surgery. A planetarium laser show begins in the imagination of the laser artist and culminates in a dazzling, animated display on the planetarium dome. Some Very Lucent Lasers - pg. Technologies' Bell Labs division has designed small, fast, powerful laser systems with practical applications in many fields. 34 Watch for meteors, planets, constellations, and star clusters in the May sky.