1 янв 1897 г. - Cathode Ray Tube Experiment

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Electrons, which have a negative charge, flow off the cathode and are attracted to the anode. A small hole in the anode allows some electrons to pass through it, creating a beam of electrons. This showed that atoms have electrons in a positively charged area. J.J. Thomson was related to this event, as he conducted this experiment.
(Image: https://cdn.kastatic.org/ka-perseus-images/79d080efbc996be3a96eb98195f77e5df00e8f95.png)

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