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Make Duct Tape Glow!!!

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Uploaded on Feb 7, 2010

Just sticking together and then pulling apart two pieces of duct tape will cause them to produce a blue line of light in an effect called triboluminescence.

Special thanks to Ashi58 for letting me use his footage, his channel can be seen here: http://www.youtube.com/user/ashi58

What's happening is that the action of pulling apart the glue causes charge separation in the two strips. The charges then attempt to recombine and collide with nearby molecules (of tape, glue, or air) exciting them and releasing light.

Interestingly, in a vacuum there is no air to slow down the charges so they collide at full energy and release x-rays. This serves as the basis for the sticky-tape x-ray machine published in the journal Nature.

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