X-rays emitted from ordinary Scotch tape
By Malcolm Ritter
updated 10:23 a.m. PT, Wed., Oct. 22, 2008
NEW YORK - Just two weeks after a Nobel Prize highlighted theoretical work on subatomic particles, physicists are announcing a startling discovery about a much more familiar form of matter: Scotch tape.
It turns out that if you peel the popular adhesive tape off its roll in a vacuum chamber, it emits X-rays. The researchers even made an X-ray image of one of their fingers.
Who knew? Actually, more than 50 years ago, some Russian scientists reported evidence of X-rays from peeling sticky tape off glass. But the new work demonstrates that you can get a lot of X-rays, a study co-author says.
"We were very surprised," said Juan Escobar. "The power you could get from just peeling tape was enormous."
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