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#cathode rays
1 essay
The Nobel Prize in Physics (5) 1905: Lenard, Cathode Rays, and a Small Window
In 1892, in Bonn, a small window of aluminum foil was opened in a discharge tube, and cathode rays went out into the air for the first time. Thirteen years later it brought a Nobel Prize; after that came the feuds between him and Einstein, and between him and Röntgen.