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A device that contains air or gas supersaturated with water vapor and that is used to detect charged particles, X-rays, and gamma rays by the condensation trails that they produce.
- ‘For example, a cloud chamber is a device in which vapor trails of moving nuclear particles can be seen and photographed.’
- ‘And a physicist observes the passage of an electron through a cloud chamber by attending to a curved white track.’
- ‘Armed with enough theory, we can see electrons in a cloud chamber.’
- ‘While studying cosmic rays, the physicist noticed oddly deviating tracks in a cloud chamber.’
- ‘For example, how did machines like cloud chambers and bubble chambers, which produce pictures, become the standard of evidence for a whole group of physicists across most of the 20th century?’
cloud chamber/ˈkloud ˌCHāmbər/
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