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For cheap X-rays, use sticky tape

发布时间:2019-03-14 06:03:01来源:未知点击:

PEELING back ordinary sticky tape can generate bursts of X-rays intense enough to produce an image of the bones in your fingers. That’s what Seth Putterman and colleagues at the University of California, Los Angeles, found when they used a motor to unwind a roll of sticky tape and recorded the electromagnetic emissions. Ripping the tape from its roll at 3 centimetres per second generated X-ray bursts lasting one-billionth of a second, each containing over a million photons (Nature, DOI: