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Under what conditions does unwinding a roll of duct tape produce X-rays? Detailed answer

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Under what conditions does unwinding a roll of duct tape produce x-rays?

When unwinding a roll of adhesive tape in a vacuum, both visible light and X-rays are produced. Scientists believe that the reason for this is an effect similar to triboluminescence - the emergence of electromagnetic radiation when asymmetric bonds in a crystal are broken. However, the adhesive mass does not have a crystalline structure, so a different theoretical model is required to explain the glow created by adhesive tape. The power of the emerging X-rays is sufficient to take pictures of body parts, but this is only in a vacuum, and unwinding tape in the air is absolutely safe.

Authors: Jimmy Wales, Larry Sanger

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Why is Barbados so called?

The island of Barbados got its name from the Portuguese explorer Pedro Campos, who saw many fig trees growing here, entwined with beard-like epiphytes. Barbados is Portuguese for "bearded".

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