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Electronics/Timeline
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History of Electronics
< Electronics/Expanded Edition
Different ways of looking at electronics.
Timeline
Introduction: The saga
Early days: Early developments
Academics: E&M experiments
Electricity: Dynamos, motors, and AC power distribution.
Energy Sources: how to power everything
Broadcasting: Radio and TV
Radio Astronomy: Looking at the solar system and the universe
Computers: Computers
[]
Chronological
Year Event
Greeks decide to name electricity after 'amber' 1865 Maxwell's equations predict the existence of electromagnetic waves.
Tesla and ball lightning
Discovery
Discovery Description Ball lightning Ball lightning is a mysterious phenomenon, first documented by the Greeks. Lightbulb A filament that glows due to ohmic heating (electron flow causes friction - heat - which causes the filament to glow white hot) Morse Code A method of communicating by pulses
Famous people and their contributions
Person Description/Inventions Ampère Theory of electromagnetism ("electrodynamics") Bell Telephone, Telephone network De Forest Triode vacuum tube used for detection, amplification, and oscillation Edison DC power distribution, light bulb, phonograph, Edison Effect: thermionic emission Faraday Electric motor, electric generator, electromagnetic induction, laws of electrolysis, diamagnetism Fleming Vacuum tube diode, based on thermionic emission, used as detector or rectifier Henry Self inductance, mutual inductance, electric relay Hertz Experimental testing of Maxwell's equations by sending and detecting electromagnetic radiation. Also photoelectric effect Joule Found the relationship between the flow of current through a resistance and the heat dissipated, now called Joule's law. Kilby, Noyce Integrated circuit Marconi Practical wireless telegraphy Maxwell Electromagnetic wave equations Morse Practical telegraph Ohm Electrical current theory, "Ohm's Law:" R=V/I Ørsted Electromagnetism: electric current produces magnetic field Shockley, Bardeen and Brattain Transistor Tesla Alternating current induction motor, polyphase electric transmission,Tesla coil for high frequency , high voltage electric fields, wireless remote control, wireless transmission of electromagnetic energy. Volta battery