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Applied physics

A stroke of X-ray

X-rays were discovered more than 100 years ago. They have since become a staple tool for medicine and science, so researchers are continuing their efforts to find innovative ways to produce them.

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Figure 1: A triboelectric X-ray machine.

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Correspondence to Stefan Kneip.

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Kneip, S. A stroke of X-ray. Nature 473, 455–456 (2011). https://doi.org/10.1038/473455a

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