< Electronics
< Electronics/Expanded Edition
Different ways of looking at electonics.
- 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 | |
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