Anode rays or canal rays are experiments conducted by German scientist Eugen Goldstein in 1886. Goldstein used a tube that had a perforated cathode. "Rays" were produced at the holes in the cathode and moved in the opposite direction to cathode rays, which were the flow of electrons. Goldstein called these positive rays "Kanalstrahlen" - canal rays because they seemed to pass through a canal.
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