Radio-activity of uranium

@article{CrookesRadioactivityOU,
  title={Radio-activity of uranium},
  author={William Sir Crookes},
  journal={Proceedings of the Royal Society of London},
  volume={66},
  pages={409 - 423}
}
  • W. Crookes
  • Published 26 November 2017
  • Physics
  • Proceedings of the Royal Society of London
1. The researches of M. Henri Becquerel have shown that compounds of uranium possess the property now called "radio-activity"; that is, rays emitted by them affect a sensitive photographic plate through bodies usually considered opaque to light; they discharge an electrometer when brought near it; and they are deflected by a magnet. These rays are now called "Becquerel rays," or "uranic rays." 

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