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Luminescence
# 7B13.55


Description: A glow-in-the-dark Duncan Imperial Yo-Yo is supplied with a black light. Show that the Yo-Yo glows brightly in a dark room after being exposed to the black light. (note: the Yo-Yo will also glow after being exposed to room lights).

Setup Time: 1 hour

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 25-10 A glow-in-the-dark sword exposed to black light. The covered portion does not glow as brightly.

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