The Nobel Prize, which is awarded to those who “have conferred the greatest benefit to humankind”, is presented across a number of categories. Even though it recognises specific work done by people, ...

Dim lights in order to make the electron beam more visible. Wire up the heater and accelerator contacts (and also deflector contacts, if desired) on the tube to the power supply (or supplies). If ...

APPLICATIONS of the sealed-off cathode-ray XX tube to the field of radio have been previously well treated, so the author gains by concentrating on other applications, which are shown to be wide and ...

Marked: "3611, Pat. in USA, 3-20-7; 10-8-20; 4-22-24; 6-16-25". Early cathode ray tube with horizontal and vertical deflection plates. Plates are connected directly to filament stem which is cracked ...

Barium platinocyanide. Sounds menacing. But it is a chemical that changed the world! For the better. The year was 1895 and Wilhelm Roentgen, professor of physics at the University of Wurzburg, was ...