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The toothbrush is an hygiene instrument used to clean the teeth and gums which facilitates the cleansing of hard-to-reach areas of the mouth. It was discovered that a bristle toothbrush had been used there as early as 1223 many years ago.
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A pencil is a writing implement or art medium usually constructed of a narrow, solid pigment core inside a protective casing
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The first working steam-powered vehicle was designed - and possibly built - by Ferdinand Verbiest, around 1672
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Benjamin Banneker made the first clock that was ever invented .
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In 1820, British scientist and inventor Michael Faraday discovered that compressing and liquefying ammonia could chill air when the liquefied ammonia was allowed to evaporate
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The first gas heater made use of the same principles of the Bunsen burner invented in the previous year. It was first commercialized by the English company Pettit and Smith in 1856.
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Paul Nipkow proposed and patented the first electromechanical television system in 1884
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ery sensitive headphones such as those manufactured by Brandes around 1919 were commonly used for early radio work.
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The first mobile telephone call was placed in St. Louis, Missouri on June 17, 1946 from a telephone set installed in an automobile.
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Ed Robrrts made this computer . It changed everyone's life becuase of it being the first computer
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DVD is an optical disc storage format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995
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The first iPhone was released on June 29, 2007. Jobs unveiled the iPhone to the public on January 9, 2007,