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2750 BCE
Electricity fish
An electric fish is any fish that can generate electric fields. A fish that can generate electric fields is said to be electrogenic while a fish that has the ability to detect electric fields is said to be electroreceptive. Electric fish produce their electrical fields from a specialized structure called an electric organ. Electric fish was discovered by ancient egypt. -
600 BCE
Static electricity
Imbalance of electric charges within or on the surface of a material. The charge remains until it is able to move away by means of an electric current or electrical discharge. Static electricity is named in contrast with current electricity, which flows through wires or other conductors and transmits energy, was discovered by Thales of Miletus. -
Jan 1, 800
Electrostatic
Branch of physics that studies electric charges. Electrostatic phenomena arise from the forces that electric charges exert on each other. Such forces are described by Coulomb's law. -
Jan 1, 1300
Electric rays
The electric rays are a group of rays, flattened cartilaginous fish with enlarged pectoral fins, composing the order Torpediniformes. They are known for being capable of producing an electric discharge, ranging from 8 to 220 volts, depending on species, used to stun prey and for defense. -
Leyden jar
Antique electrical component which stores a high-voltage electric charge (from an external source) between electrical conductors on the inside and outside of a glass jar. The Leyden jar was used to conduct many early experiments in electricity.
Leyden jar was discovered by German physicist Ewald Georg von Kleist and Dutch scientist Pieter van Musschenbroek. -
Coulomb's law
French physicist Charles-Augustin de Coulomb formulated and published Coulomb's law. Coulomb's law js an experimental law of physics that quantifies the amount of force between two stationary, electrically charged particles. The electric force between charged bodies at rest is conventionally called electrostatic force or Coulomb force -
Laplace transform
French mathematician Pierre-Simon Laplace developed the Laplace transform. In mathematics, the Laplace transform is an integral transform named after its inventor Pierre-Simon Laplace. It transforms a function of a real variable t (often time) to a function of a complex variable s (complex frequency). The transform has many applications in science and engineering -
Electric telegraph
English inventor Francis Ronalds built the first working electric telegraph. An electrical telegraph was a point-to-point text messaging system, used from the 1840s until better systems became widespread. It used coded pulses of electric current through dedicated wires to transmit information over long distances -
Thermoelectricity
German scientist Thomas Johann Seebeck discovered thermoelectricity.The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice versa via a thermocouple. -
DC motor
American scientist Joseph Henry in United States developed a prototype DC motor. A DC motor is any of a class of rotary electrical machines that converts direct current electrical energy into mechanical energy -
DC generator
French instrument maker Hippolyte Pixii in France developed a prototype DC generator. In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit. Sources of mechanical energy include steam turbines, gas turbines, water turbines, internal combustion engines, wind turbines and even hand cranks. -
Morse code
American inventor Samuel Morse developed telegraphy and the Morse code. Morse code is a method used in telecommunication to encode text characters as standardized sequences of two different signal durations, called dots and dashes or dits and dahs. -
Microphone
German scientist Johann Philipp Reis invented Microphone. Is a device that converts sound into an electrical signal. -
Arc lamp
Russian engineer Pavel Yablochkov invented electric carbon arc lamp. That lamp produces light by an electric arc. The carbon arc light, which consists of an arc between carbon electrodes in air. -
Phonograph
American inventor Thomas Alva Edison invented phonograph. Is a device for the mechanical recording and reproduction of sound.
