A Welch model 2639 'Electron Diffraction tube' is used in an experiment in the second year lab. The tube has graphite and aluminum foils mounted on a grid between the electron gun and the screen of ...

The cathode tube was a prime example ... is the lifeblood of everything from computers to phones to microwaves, the electron turned out to be interesting to just about everybody.

It also touches on the function of electron tubes and transistors in controlling electron flow, highlighting their importance in electronic devices like computers. Keywords electrons, electric ...