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Fig. 1. At an exhibit called "A Shocking Experience," the author is working as a facilitator, showing visitors the proper method for bringing a "dead bat" back to life. They also learn how to enliven aluminum pie pans. (photo by Ted Fogarty) First citation in article

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Fig. 2. Apples provide the masses for coupled harmonic oscillators in this "Apple Acrobatics" exhibit. First citation in article

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Fig. 3. Jo Conrad is entertaining visitors and answering questions as "The Department Head": "Is your body covered by an invisibility cloak?" First citation in article

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Fig. 4. The setup for "The Department Head" is shown here with the room lights turned on. The bottom edges of the two mirrors are clearly visible in this picture. Normally the shag carpet is fluffed up along the mirror edges to mask them. First citation in article