This is a Crookes railway tube, it is a mostly evacuated tube with electrodes on each end and a spinny wheel on a rail in between. When the electrodes are connected to a high voltage supply, electrons... continue reading
posted by gluonium 1 decade 6 years 11 months 2 weeks ago • 2,142 viewsScience sifts by me!
Created: 1 decade 6 years 11 months ago
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Views: 631