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Chapter 298 History has been kicked from behind
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... le and took out two electrodes.
These two electrodes are made of metal, but the specific metal type cannot be seen. In short, it is either zinc or aluminum.
Their size is somewhat similar to the tablet computers of later generations, the thickness is about **** wide, and some wires are connected to the outside.
Well known.
The research on cathode rays is actually a project with a long time span.
After Pluck discovered cathode rays in 1858.
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