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http://www.nature.com/news/2008/0810...2008.1185.html
Christmas could bring with it a new hazard as you wrap your gifts – X-ray-emitting sticky tape.
Researchers at the University of California, Los Angeles, have shown that simply peeling ordinary sticky tape in a vacuum can generate enough X-rays to take an image — of one of the scientists' own fingers.
More info, a video, and various comments at the address listed at the beginning of this post.
Christmas could bring with it a new hazard as you wrap your gifts – X-ray-emitting sticky tape.
Researchers at the University of California, Los Angeles, have shown that simply peeling ordinary sticky tape in a vacuum can generate enough X-rays to take an image — of one of the scientists' own fingers.
More info, a video, and various comments at the address listed at the beginning of this post.