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A telegraph is a communications system in which information is transmitted from one place to another through a wire by a series of electrical current pulses, usually in the form of Morse code. It was invented by Samuel Morse.
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The anesthesia is a way to control pain during a surgery or procedure by using medicine called anesthetics. It was invented by Crawford Williamson.
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A sewing machine is a machine that is used for joining together pieces of cloth, with a needle that is operated either by turning a handle or by electricity. It was invented by Thomas Saint.
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Un ascensor o ascensor es un vehículo de transporte vertical que mueve eficientemente personas o bienes entre los pisos de un edificio. Funcionaba mediante con un sistema de guías verticales. It was invented by Elisha Otis Grave.
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Pasteurization is a process in which it is subjected (mainly food) to a high temperature to destroy the microorganisms and to increase the useful life of the food. It was invented by Louis Pasteur.
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The telephone is an instrument for playing sounds at a distance, turning the sound into electrical impulses. It was invented by Antonio Meucci, but Alexander Graham Bell patented it.
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A typewriter is a mechanical / electro mechanical machine used for writing on papers. A typewriter operates by means of keys that strike a ribbon to convey ink impressions onto paper. It was invented by Thomas Alva Edison.
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The phonograph is a device designed to play recorded music records in the form of cylinders or discs. It was invented by Thomas Edison.
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A light bulb is a device that produces light through electricity. It was invented by Thomas Alva Edison.
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An electric iron is an appliance used to press the wrinkles of clothing. This works by the joining of the pressure and temperature. It was invented by Henry Weely.
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The automobile is a vehicle designed for operation on roads and typically having a gasoline or diesel internal-combustion engine. Its was invented by Karl Benz.
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A bicycle is a vehicle with two wheels, usually propelled by pedals connected to the rear wheel by a chain. It was invented by John Kemp Starley.
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The electric tram is a train that works by means of electronic impulses that emit the tracks, often in the roof of the train has rods that connect with the cables of electricity of all the city. It was invented by John Outram but it was developed by Frank Spague.
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A submarine is a watercraft capable of independent operation underwater. It was invented by Isaac Peral.
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A cinematographer is a film camera, which also serves as a movie projector. It was invented by the Lumière brothers.
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Radio is an invention that sends electromagnetic signals over long distances, to deliver information from one place to another. It was invented by Marconi.
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A airplane is a machine able to fly by getting support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift. It was invented by the The Wright Brothers.
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A television is an electrical device used for entertainment, learning and work. It uses the analog signal to produce images and sounds. It was invented by John Logie Baird.
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Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects. It is used to detect a lot os things. It was invented by Marconi.
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Antibiotics are medicines used to treat infections or diseases caused by bacteria. It were invented by Alexander Fleming.
