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It's a type of railway locomotive that produces its pulling power through a steam engine. These locomotives are fuelled by burning combustible material (coal, wood, or oil) to produce steam in a boiler. George Stephenson invented the locomotive.
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Samuel Morse invented the telegraph. It worked by transmitting electrical signals over a wire laid between stations. In addition to helping invent the telegraph, Samuel Morse developed the morse code as well.
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Morton and renowned surgeon at Massachusetts General Hospital, John Collins Warren made history on October 16, 1846 with the first successful surgical procedure performed with anesthesia.
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Pasteurization is the name of the process discovered in part by the French microbiologist Louis Pasteur. This process was first used in 1862 and involves heating milk to a particular temperature for a set amount of time in order to remove microorganisms.
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The invention of the telephone was the culmination of work done by many individuals, but Bell was the one who succed. He made a call via the telegraph line from the family homestead in Brantford, to his assistant located in Paris, some 13 kilometers away. This test was claimed by many sources as the world's first long-distance call.
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Thomas Edison was the inventor who created the phonograh. He figured out a way to record sound on tinfoil-coated cylinders. In 1877, he created a machine with two needles: one for recording and one for playback. When Edison spoke into the mouthpiece, the sound vibrations of his voice would be indented onto the cylinder by the recording needle.
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It's an apparatus for showing motion-picture films. The device was invented by the French inventor Léon Bouly. Due to a lack of money, Bouly could not develop his ideas properly and maintain his patent fees, so he sold his rights to the device and name to the Lumière brothers.
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Wilhelm Conrad Roentgen took a tube similar to fluorescent light bulbs, removed all the air and filled it with a special gas. When he passed a high electric voltage through it, the tube gave off a fluorescent glow, discoverng X- rays.
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Felix Hoffman, a German chemist working for the Bayer company, was able to modify salicylic acid to create acetylsalicylic acid, which was named aspirin (it's a pain reliever).
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Marie and Pierre Curie discovered the radium and Polonium in their research of pitchblende.They reported the probable existence of one or more other radioactive elements in the mineral. Pierre Curie joined her in her research, and in 1898 they discovered polonium, named after Marie’s native Poland, and radium.
