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 ...

For decades, science students were taught that the electric current is the motion of electrons from high electric potential region to the low electric potential region, and that electrons are emitted ...

SAN FRANCISCO, June 1 (Reuters) - Five companies including Samsung SDI Co Ltd and Koninklijke Philips agreed to pay a total of $528 million to resolve a class action lawsuit alleging price fixing in ...

THIS book was first published in 1937 under the title “The Low Voltage Cathode Ray Tube”, which was somewhat misleading in view of the fact that it deals with the various forms of cathode ray tube ...

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, ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...