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crookes, sir william

crookes, sir william in Science
Crookes
  (krks)   
British chemist and physicist who discovered thallium in 1861 and invented the radiometer (1873-76). He also developed the Crookes tube, a modified vacuum tube that was later used by W.C. Roentgen and J.J. Thomson in experiments that led to the discovery of x-rays and the electron, respectively.
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Encyclopedia Article for crookes, sir william

Crookes, Sir William

British chemist and physicist noted for his discovery of the element thallium and for his cathode-ray studies, fundamental in the development of atomic physics.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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