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Dr. Paul Doherty scours the globe for the world's greatest science demonstrations. Here he partners with Dr. Gorazd Planinsic, frequent contributor to Physics Teacher magazine, active in international physics education, and illustrator of physics text books. Watch this webcast, follow the links to the 'recipes,' then try it yourself! The Science Summer 2000 workshop explored the science of disco mirror balls, tie dye, lasers, and other things that made the 1970s so happening and far-out.