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The history of electrical and electronic engineering - Coggle Diagram
The history of electrical and electronic engineering
Electrical Engineering
Thomas Edison
Incandescent lamp (1878)
First large-scale electrical supply network (DC)
Thermionic emission (aka. Edison effect)
Vacuuum tubes
Ohm
Ohm's law
Early electrostatic machine
Faraday
Electromagnetic Induction
Homopolar generator
Maxwell
Mathematically summarized basic laws of electricy (1864)
Radio waves
Bell
Telephone (1876)
Nikola Tesla
Alternating Current
Induction motors
Hertz
Transmitted & detected radio waves in 1888
Electronic Engineering
Thomas Edison and Faraday
Discovery of the electron
Triode (by Lee De Forest)
Rapid switching
Vacuum tubes
Early computing machines
Semiconductors
Three-layer semiconductor sandwich (aka. Transistor) (1947)
Germanium
Silicon (early 1954)
Wafer of silicon (1958)
Made chips over time to be smaller and smaller
Microprocessors (1971)