PREVIEW
... recisely splitting open the casing without harming the internal structure, and then began explaining its operating principle to everyone.
The so-called filament was not made of a fire lion’s hair but of tungsten wire, which would convert electrical energy into thermal energy when electrified, thereby heating the cathode and emitting a large number of electrons.
These electrons were blocked by the grid, and by adjusting its position relative to the cathode, the quantity of electro ...
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