Physics-Cathode ray and cathode ray tubes
Cathode rays, as we now know, are streams of electrons generated by high electric field-induced gas ionization (old cold cathode ray tubes) or heat-induced […]
electron
Physics-Atomic structure
The idea of materials being made of “atoms” was proposed long before we had the technologies to look into any materials. But how did […]
Physics-QM-Discovery of electrons
Here is a fantastic video describing the discovery of electron by J. J. Thomson! It all started with a piece of equipment called cathode […]
