Ultimate realities - on the demonstration that cathode rays travel in straight lines and produce phosphorescence Ultimate realities Crookes saw in the maltese cross of mica inside a vacuum tube inside a vacuum tube and facing a silver cathode.
induction coil. energized. and then, phophorescense!
a light casting the shadow of the cross. the matter radiant in 1879.
[Next up, Hertz, then Rontgen.]
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