who invented the flashlight?
149908
Let There Be Light" -- The flashlight was invented in 1898, and the biblical quote of "Let There Be Light" was on the cover of the 1899 Eveready catalog.\n\nThe original owner of the American Eveready Battery Company, Joshua Lionel Cowen, abandoned the hardware company to pursue his real passion of trains. Cowen was an inventor of sorts; he developed a fuse to ignite photographic flash powder. Though the invention failed in its intent, the U.S. Navy bought up the fuses to use with underwater explosives.\n\nCowen next came up with an idea for a decorative lighting fixture for potted plants: a metal tube with a light bulb and a dry cell battery that could run the light bulb for 30 days. He passed the idea along to one of his Eveready salespersons, Conrad Hubert, along with his company. Hubert turned the metal tube, light bulb and battery into the world's first flashlight, and began selling the batteries and the flashlight, together and as separate items.\n\nHubert became a multi-millionaire, Eveready became a huge company, and Joshua Lionel Cowen finally achieved the success he really wanted: he was the person who invented toy trains in 1900. As happened with the fuses and the flashlight, Cowen was actually trying to invent something else when he invented toy trains. He originally intended to create a store window display, a battery powered  toy car that travelled on a circle of track. People wanted to buy the display more than the real merchandise for sale. Cowen started Lionel Model Trains.
540538
Yes. Nikola Tesla actually invented the radio, but Marconi took (and still gets) credit for it.
732112
Thomas Edison invented the Incandescent light bulb that we know today. It's light is produced by electrical current heating up a filament. The extreme heat of the filament is what gives off the light. \nThe low pressure mercury arc lamp of Peter Cooper Hewitt is the very direct parent of today's modern fluorescent lights. It was found that these low pressure [mercury] arc lamps would put out large amounts of ultra-violet light. Folks then figured that if they coated the inside of the light bulb with a fluorescent chemical (one that absorbed UV light and re-radiated that energy as visible light) they could make an efficient light source.
485535
Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman who developed many devices which greatly influenced life in the 20th century. Dubbed "The Wizard of Menlo Park" by a newspaper reporter, he was one of the first inventors to apply the principles of mass production to the process of invention, and can therefore be credited with the creation of the first industrial research laboratory. Some of the inventions credited to him were not completely original, but alterations of earlier patents (most famously the light bulb), or were actually the work of his numerous employees. Nevertheless, Edison is considered one of the most prolific inventors in history, holding 1,093 U.S. patents in his name, as well as many patents in the United Kingdom, France, and Germany.
1053295
IT WAS EDISON. I CAN'T RECALL THE SOURCE.
164589
#1) Garrett Morgan of the United States realized the need to control the flow of traffic.  A gifted inventor and reportedly the first African American to own an automobile in Cleveland, Ohio, he invented the electric automatic traffic light.\n\n#2) Dr. Charles Richard Drew (1904-1950) was an American medical doctor and surgeon who started the idea of a blood bank and a system for the long-term preservation of blood plasma (he found that plasma kept longer than whole blood). His ideas revolutionized the medical profession and have saved many, many lives.
604566
isn't that what a flashlight is?
469329
I don't think so, c below:-\n\nnvention:   flashlight in 1902   \nDefinition:  noun / flash·light, flashlight, flash-light\nFunction:  a small portable battery-powered electric lamp, typically flashlight consists of a small electric light bulb with associated parabolic reflector, powered by electric batteries, and with an electric power switch\nPatent:  737,107 (US) issued August 26, 1903\nInventor:  Conrad Hubert (aka Akiba Horowitz)   \nCriteria:  First practical. Modern prototype. Entrepreneur.\nBirth:  April 15, 1856 in Minsk, Russia\nDeath:  1928\nNationality:  American (of Russian decent)\n Akiba Horowitz born on April 15, 1856 in Minsk, Russia came to the United States in 1891 and changed his name to Conrad Hubert. He was flat broke. He did what he could to earn a living.  He worked in a cigar store, ran a restaurant for a while and managed a boarding house. He even tried repairing watches. Whatever he did, however, he never made much money. All he wanted was to stop worrying about making ends meet.
37664
Tesla Coils or the creator of the Tesla Coil, Nikola Tesla.
174226
Michael Farday invented electricity as we know it.\nAs a sidenote If Benny Franklin was  a creator of anything it was the lightning rod and the grounding priciple.\nFor centuries electricity has been a challenge to scientists. They have long known that it exists, and have discovered how to generate it on a large scale, but find it difficult to explain exactly what electricity is.\n\nWhere did it all begin?\n\nAround 600 BC Greeks found that by rubbing an 'electron' (a hard Fossilised resin that today is known as Amber) against a fur cloth, it would attract particles of straw. This strange effect remained a mystery for over 2000 years, until, around AD 1600, Dr William Gilbert investigated the reactions of amber and magnets and first recorded the word 'Electric' in a report on the theory of magnetism.\n\nGilbert's experiments led to a number of investigations by many pioneers in the development of electricity technology over the next 350 years.\n\nBenjamin Franklin(in his own words)\n Franklin was an American writer, publisher, scientist and diplomat, who helped to draw up the famous Declaration of Independence and the US Constitution. In 1752 Franklin proved that lightning and the spark from amber were one and the same thing. The story of this famous milestone is a familiar one, in which Franklin fastened an iron spike to a silken kite, which he flew during a thunderstorm, while holding the end of the kite string by an iron key. When lightening flashed, a tiny spark jumped from the key to his wrist. The experiment proved Franklin's theory, but was extremely dangerous - He could easily have been killed.\n\nGalvani and Volta\n In 1786, Luigi Galvani, an Italian professor of medicine, found that when the leg of a dead frog was touched by a metal knife, the leg twitched violently. Galvani thought that the muscles of the frog must contain electricity. By 1792 another Italian scientist, Alessandro Volta, disagreed: he realised that the main factors in Galvani's discovery were the two different metals - the steel knife and the tin plate - apon which the frog was lying. Volta showed that when moisture comes between two different metals, electricity is created. This led him to invent the first electric battery, the voltaic pile, which he made from thin sheets of copper and zinc separated by moist pasteboard.\n\nIn this way, a new kind of electricity was discovered, electricity that flowed steadily like a current of water instead of discharging itself in a single spark or shock. Volta showed that electricity could be made to travel from one place to another by wire, thereby making an important contribution to the science of electricity. The unit of electrical potential, the Volt, is named after Volta.\n\nMichael Faraday\n The credit for generating electric current on a practical scale goes to the famous English scientist, Michael Faraday. Faraday was greatly interested in the invention of the electromagnet, but his brilliant mind took earlier experiments still further. If electricity could produce magnetism, why couldn't magnetism produce electricity.\n\nIn 1831, Faraday found the solution. Electricity could be produced through magnetism by motion. He discovered that when a magnet was moved inside a coil of copper wire, a tiny electric current flows through the wire. Of course, by today's standards, Faraday's electric dynamo or electric generator was crude, and provided only a small electric current be he discovered the first method of generating electricity by means of motion in a magnetic field.\nThomas Edison and Joseph Swan\n Nearly 40 years went by before a really practical DC (Direct Current) generator was built by Thomas Edison in America. Edison's many inventions included the phonograph and an improved printing telegraph. In 1878 Joseph Swan, a British scientist, invented the incandescent filament lamp and within twelve months Edison made a similar discovery in America.\n\nSwan and Edi
143425
Thomas Alva Edison invented the light bulb, the phonograph, automatic telegraph, motograph, paraffin paper(which was used to wrap candy), electric pen, carbon rheostat, microtasimeter, sockets, switches, insulating tape, gummed paper tape, magnetic ore separator, life-sized electric railway, motion picture camera, steel alkaline storage battery, and many other things.  He had 1,368 different patents.
171737
At this moment only comes to my mind an inventor, "Guillermo González Camarena", who invented de color television, he patented it in México and in United States.\n\nLater, he associated with Azcárraga and formed "Telesistema Mexicano", (Televisa).\n\nThere might be others, but no one comes to my mind at this moment...
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Thomas Edison invented MANY things in his life:\n\n1. Incandescent lamp (aka the light bulb)\n2. Invented the microphone inside of telephones\n3. The locomotive train was a biggie.
43061
The invention of the microscope is variously accredited to Zacharias Janssen, a Dutch spectaclemaker, c.1590, and to Galileo, who announced his invention in 1610.
125741
My hero is Thomas Alwa Edison.Because he has done many things for a better world.Electric blub, Gramophone,film projector and sound recording device are some of his great inventions done for the mankind.
700049
I'll do something better - I'll give you a list of inventors and inventions :)\n\nThe most famous Philadelphia inventor is Ben Franklin who invented the lightning rod, glass armonica, Franklin stove, bifocal glasses, flexible urenary catheter, odometer, and Daylight Savings Time.\n\nCharles Elmer Hires - invented root beer\nJohn Heysham Gibbon - invented the heart-lung machine\nHenry Deringer - inventor of the deringer pistol\nDavid Brooks - invented an insulator for telegraph wires\nSamuel Hopkins - Granted the first US Patent for an improved process of creating pot ash (used in the manufacture of glass, soap, and fertilizer).\n\nOdd: \n* Lucy the Elephant, invented by James V. Lafferty
354418
He invented:\nlightening rod\nbifocals\nFranklin stove\nsimple odometer\ncatheter\nconcept of daylight savings time