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Benjamin franklin invented the bifocals in 1714 when he got tired of switching lenses all the time so he invented glasses with far away lenses on top and close lenses on the bottom
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The typewriter inspired the placement of todays computer keys. Typewriter is the longest word that can be typed in one row.
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The invention of the cotton gin spelled a major sucksess for the industrial revolution. Even with the invention of the cotton gin didn't take away the need for slaves to pick it.
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At age 15 Cyrus invented a lightweight cradle for cartingharvested grain. The reaper was developed to cut down wheat more quickly.
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Morse Code wasn't invented to help those in dire emergencys but to send messages along a telegraph line. The warning lights on the cyndrical Capital Records tower spells out HOLLYWOOD in Morse Code
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Godies Ladiesbook said that "next to the plough the sewing machine is one of humanitys most bessed machines". The first truly practical machine became available in 1850
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Some telephones might have been destroyed in many ways such as burieing, burnirng, crushed, thrown off the end of peirs, and other diobolcal ways. Before the invention of the telephone a man predicted "A man in one part of the country may communicate by the word of mouth with another man far away."
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A/C was being invented then vanished because the scientist inventing it died but was continued 50 years later. A/C systems account for 40 to 60 % of total energy use.
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Windsheild wipers are one of the inventions invented by wemon. Wipers were made to clean car windsheilds.
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On a zipper the initials YKK mean Yoshida Kogyo Kabushibiashia the worlds largest zipper company. Gideon Sundback lived in Chicago.
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Microwaves warm up and cook food by making the molecules in food vibrate. Microwave Ovens microwave energy to heat and cook food
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Computer mouses were invented to easily navigate through software without remembering keyboard shortcuts. Youtube was invented in February 14, 2005.
