Category: Sound & Light

With Pan’s Pipes exhibit, visitors experience longer pipes amplify low-pitched low-frequency sounds and shorter pipes amplify highly-pitched high-frequency sound. The room is filled with sounds of all different pitches. The air in each tube vibrates with a frequency determined by the lenght of the tube.

Kundt’s Tube exhibit shows the nodes and antinodes of a standing wave. When a sound wave reaches the end of the tube bounces back with the same frequency and the same amplitude, it will become a standing wave. Standing waves are characterized by alternate points of maximum and minimum disturbance called nodes and antinodes. Visitors…
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With Spectrums of Light exhibit, visitors can move variously shaped lenses and mirrors around to investigate their effects on the streaks of light that shine across the table.

With Laser Lab exhibit, visitors place objects into the laser beams to reflect and refract the laser beams around the table.

In Color Shadows interactive exhibit, visitors step in front of the wall, and they’ll be able to make shadows of various colors—yellow, magenta, cyan, red, green, blue, and black. https://sebaexhibits.com/wp-content/uploads/2020/05/ColoredShadow.mp4

With Shadow Box exhibit, visitors experience capturing their temporary shadows on the walls of a large, three-sided room with walls covered with phosphor-impregnated vinyl. Every 30 seconds, a strobe light flashes causing the walls to glow for approximately 15 seconds, except in those places where people block the light and create “shadows.” Visitors can experiment…
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With Silence Race exhibit, as visitors walk across the gravel floor of the short tunnel, a sound meter measures the visitor’s loudness and gives a score. Visitors try to beat their previous score and also their friends’ scores.

With Whisper Dish exhibit, one visitor whispers into the focal point of one whispering dish, while a second visitor stands listening at the focal point of the second dish.