In parallel to the development of the bus was the invention of the electric trolleybus, typically fed through trolley poles by overhead wires, which actually preceded, and in many urban areas outnumbered, the conventional engine powered bus.

This relationship between magnetic fields and currents is extremely important, for it led to Michael Faraday's invention of the electric motor in 1821.

The impact of inventions and technology on society is a recurring, if not central theme in Niven's work: for example, addiction to electric brain stimulation resulting in " wireheads ", or the secondary and tertiary effects of an invention such as teleportation on social behavior, problems, and mores.

The invention of the limelight in the 1820s made it even brighter, and following that the inventions of the electric arc lamp in the 1860s, and then incandescent electric lamps, or the burning of an ether / oxygen mixture, all further improved the projected image of the magic lantern.

Héroult's second most important invention is the electric arc furnace for steel in 1900.

Mahen Theatre in Brno ( in what is now the Czech Republic ) was the first public building in the world to use Edison's electric lamps, with the installation supervised by Edison's assistant in the invention of the lamp, Francis Jehl.

Edison patented a system for electricity distribution in 1880, which was essential to capitalize on the invention of the electric lamp.

Credit for the invention of the electric telephone is frequently disputed, and new controversies over the issue have arisen from time to time.

They also exhibited the invention in Turin, Italy in 1884, where it was adopted for an electric lighting system.

This electron flew in the face of classical electrodynamics, which had successfully treated electricity as a fluid for many years ( leading to the invention of batteries, electric motors, dynamos, and arc lamps ).

The basic invention involves passing an electric current through a bath of alumina dissolved in cryolite, which results in a puddle of aluminum forming in the bottom of the retort.

Before the invention of electric lighting, candles and oil lamps were commonly used for illumination.

His invention of the voltaic cell leads to the invention the electric battery.

* " Electronic Relay Circuit " ( The patent notes " My invention relates to electric circuits employing relays ...") filed May 28, 1947, issued January 31, 1961.

* " Memory Transformer " ( The patent notes that " My invention relates to electric relay circuits and more particularly to improved transformers for use therein.

Some of these innovations include the invention of monofilament nylon fishing lines, the fiberglass ( later graphite composite ) fishing rod, the electric trolling motor, the fish finder / depth locator, and new artificial lures and baits made of various plastics.

The invention of the transistor made possible cheaper electronic remotes that contained a piezoelectric crystal that was fed by an oscillating electric current at a frequency near or above the upper threshold of human hearing, though still audible to dogs.

He was to write on things like the Wright brothers and their first aeroplane, Thomas Edison and his electric light bulb invention, Alexander Graham Bell and the telephone, and Samuel F. B. Morse's invention of the telegraph.

The exhibition included exhibits of his inventions, and the city was lit with electric light, thanks to Swan's invention.

The common coupling of Swan's name with that of Edison in connection with the incandescent electric lamp has often led to the notion that Swan collaborated with Edison in this invention.

In 1860 Étienne Lenoir used an electric spark plug in his first internal combustion engine and is generally credited with the invention of the spark plug.

Prior to Rillieux's invention, two engineers developed a vacuum pan and electric coils to improve the process of making sugar, but this was unsuccessful due to the use of steam at wrong locations in the machine.

The first AFVs were armoured cars, dating back virtually to the invention of the motor car.

* Nikola Tesla was famous for developing the AC motor, the bifilar coil, various devices that used rotating magnetic fields, the alternating current polyphase power distribution systems, the fundamental devices of systems of wireless communication ( legal priority for the invention of radio ), radio frequency oscillators, devices for voltage magnification by standing waves, robotics, logic gates for secure radio frequency communications, devices for x-rays, apparatus for ozone generation, devices for ionized gases, devices for high field emission, devices for charged particle beams, methods for providing extremely low level of resistance to the passage of electrical current, means for increasing the intensity of electrical oscillations, voltage multiplication circuitry, devices for high voltage discharges, devices for lightning protection and VTOL aircraft.

Island resident Cameron Waterman invented the outboard motor and successfully tested his invention in the ice-filled Detroit River off the shore of Grosse Ile during February 1905.

One aspect of the invention lay in the realization that a relatively small motor, driven with higher voltage and current than would be feasible for continuous operation, could deliver enough power to crank the engine for starting.

Thomas Davenport, who is said to have invented the electric motor although he never achieved fame for his invention and died penniless, was born and lived in Brandon.

Big-game fishing started as a sport after the invention of the motor boat.

Scott's first patent described a flat recording surface and a weight-driven clockwork motor, but the later and more familiar form of his invention, marketed by Rudolph Koenig in 1859, recorded on a sheet of lampblack-coated paper wrapped around a cylinder which was hand-cranked.

On 14 August 1869 Keely assigned a half ownership in what was referred to as the " Keely motor " to Wilson, who claimed that Keely had then assigned all rights and title to the invention later that same month in return for funds.

Ole Evinrude, born Ole Evenrudstuen ( April 19, 1877 – July 12, 1934 ) was a Norwegian-American inventor, known for the invention of the first outboard motor with practical commercial application.

Stutz has also been credited with the development of " the under-slung chassis ", an invention that greatly enhanced the safety and cornering of motor vehicles and one that is still in use today.

The invention proved its worth in the heavily publicised Paris – Brest cycle event of September 1891, and Michelin quickly adapted his inflatable tyres for use on motor vehicles, of which France was becoming the world's leading producer.

* 1877 – Thomas Edison announces his invention of the phonograph, a machine that can record and play sound.

In 1904, The U. S. Patent Office reversed its decision, awarding Marconi a patent for the invention of radio, possibly influenced by Marconi's financial backers in the States, who included Thomas Edison and Andrew Carnegie.

Thomas Edison began his career as an inventor in Newark, New Jersey, with the automatic repeater and his other improved telegraphic devices, but the invention that first gained him notice was the phonograph in 1877.

Further advancements in telegraph technology occurred in the early 1870s, when Thomas Edison devised a full duplex two-way telegraph and then doubled its capacity with the invention of quadruplex telegraphy in 1874.

The history of video games goes as far back as the 1940s, when in 1947 Thomas T. Goldsmith, Jr. and Estle Ray Mann filed a United States patent request for an invention they described as a " cathode ray tube amusement device.

On January 25, 1947, Thomas T. Goldsmith, Jr. and Estle Ray Mann filed a United States patent request for an invention they described as a " cathode ray tube amusement device ".

* November 21 – Thomas Edison announces his invention of the phonograph, a machine that can record sound, considered Edison's first great invention.

The invention sparked the " War of Currents " between the Westinghouse Electric Corporation and the General Electric Company headed by Thomas Edison and J. P. Morgan.

Several concepts may be considered when thinking about invention. Thomas Edison with phonograph.

With the advent of flexible film, Thomas Alva Edison quickly set out on his invention, the Kinetoscope, which was first shown at the Brooklyn Institute of Arts and Sciences on 9 May 1893.

Thomas Crapper's advertisements implied the siphonic flush was his invention ; one having the text " Crapper's Valveless Water Waste Preventer ( Patent # 4, 990 ) One movable part only ", but patent 4990 ( for a minor improvement to the water waste preventer ) was not his, but that of Albert Giblin in 1898.

Dickson, the Scottish-French inventor credited with the invention of the motion picture camera under the employ of Thomas Edison.

In 1705 he developed a second steam engine with the help of Gottfried Leibniz, based on an invention by Thomas Savery, but this used steam pressure rather than atmospheric pressure.

Since the invention of the first working sewing machine, generally considered to have been the work of Englishman Thomas Saint in 1790, the sewing machine has vastly improved the efficiency and productivity of fabric, clothing and needle industries.

In 1790 English inventor Thomas Saint was the first to patent a design for a sewing machine but he did not advertise his invention .< ref >

The two men had patented it but did not have enough money to develop their invention, so they sold their US patent 181, 613 to Thomas Edison for US $ 5, 000 ($ US 100, 000 in 2006 dollars ).

* Carmen J. Giunta " Thomas Midgley, Jr., and the invention of Chlorofluorocarbon Refrigerants ," Bull.

However, Sir Thomas never formulated anything like Gresham's Law, which was the 1857 invention of Henry Dunning Macleod, an economist with a knack for reading into a text that was not written.

He is most famous for inventing an incandescent light bulb before its independent invention by the American Thomas Edison.

Another crisis arises, however, when Thomas Bradford ( played by James Stephenson ), a wealthy businessman from Chicago, arrives to discuss financing of Ward's invention.

Histories of photography usually credit Thomas Rudolphus Dallmeyer with the invention of the photographic telephoto lens in 1891, though it was independently invented by others about the same time ; some credit his father John Henry Dallmeyer in 1860.

* Thomas A. Watson, primary assistant of Alexander Graham Bell, assisted in invention of the telephone ; founder of Fore River Shipyard.