he replaced the coherer with an Edison-effect bulb,
which rectified high-frequency oscillations
to let a galvanometer detect dots and dashes.
Other names for it
Edison-effect bulb,
radio detector,
two-electrode vacuum-tube rectifier,
vacuum tube,
vacuum diode,
oscillation valve,
thermionic valve,
thermionic tube,
thermionic diode,
Fleming’s diode,
kenotron.
Valves
Faucet, spigot, petcock,
escape cock, poppet, choke.
Human hearts have aortic, pulmonary,
mitral, and tricuspid valves.
Famous vacuum tubes:
Ignitron, trigatron, thyratron,
thyristor, krytron, and klystron.
Some mollusks are bivalves.
Some presidents have veto power.
I have my delete key.
Morse code signals oscillated too fast for a galvanometer to detect them,
but a galvanometer was able to show tiny direct-current pulses from a Fleming value.
Fleming is the originator of the left-hand rule for electric motors,
and the right-hand rule for electric generators.
Morse code signals oscillated too fast for a galvanometer to detect them, but a galvanometer was able to show tiny direct-current pulses from a Fleming value.
Fleming is the originator of the left-hand rule for electric motors, and the right-hand rule for electric generators.
See also in The book of science:
Readings on wikipedia:
Other readings: