Make a particle accelerator with tape..
source: http://ramanan50.wordpress.com/2011/02/28/make-a-particle-accelerator-with-tape/
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When you peel off a strip of Scotch tape, you’re holding a tiny particle accelerator. Think of this during the upcoming holiday season. As you wrap present after present, you’re simultaneously creating an electric field powerful enough to accelerate any free electrons hovering around. Under the right conditions, this can coax the electrons into spewing out X-rays. The good news: As long as you aren’t playing Santa in a vacuum, you don’t need to worry about the radiation exposure—the electrons will bump into air molecules long before they get a chance to start emitting any X-rays. Science News explains:
http://ramanan50.wordpress.com/2011/02/28/make-a-particle-accelerator-with-tape/
http://ramanan50.wordpress.com/2011/02/28/make-a-particle-accelerator-with-tape/
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