Related Labs, Activities, and Other CoolStuff
Turn out the lights for this mesmerizing interactive show.
A plain white string is connected to two motors to create beautiful 3D standing waves. Everything is adjustable -- Move the arms closer together, pivot the heads, tilt the light bar, increase the motor speed, or change the light pattern and flash speed! Red, green, and blue LEDs give you a whole spectrum of color options, or use your own strobe for quantitative observations. 4 AA batteries required (not included).Optional Power adaptor DC, 6 volt, 1 amp available at most electronics supply stores. http://www.radioshack.com/product/index.jsp?productId=3839138
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