Assertion: cathode ray tube's electron beam | /r/HasProperty | cathode rays
Facets:
value: aka
type: DEGREE
Source sentences:
text: It emits the sharp electron beam, cathode rays.
text: A type of vacuum tube that forms an electron beam (aka cathode ray) instead of just a diffuse cloud of electrons.
text: The electron beam (cathode rays) passes through a highly positively charged metal cylinder that forms an electrostatic lens.
text: # 18 - in a darkened room, the electron beam (cathode rays) shows up on a phosphor screen as a bright blue line.