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How
many years did the Emperor give people to invent a useful thing?
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Answers
Answer:
People who discover new methods of doing things or technology which improve our lifestyle are called inventors. The new technologies which they develop are inventions.
Famous inventors
Many inventors worked on a number of inventions. Others made discoveries which later were developed into new or better inventions by other inventors or were part of a team that combined their inventing. Here is a list of some of them.
Alexander Graham Bell: Invented a dehusking machine, telephone, photophone and made other technological discoveries which future inventors carried further.
Alfred Nobel: A detonator, Dynamite, Gelignite.
Benjamin Franklin: Lightning rod, bifocal glasses and many others.
Isaac Newton: Reflecting telescope and other discoveries.
Johannes Gutenberg: Combined and improved inventions such as movable metal type and ink used these to improve printing technology.
Josephine Cochrane: Invented the dishwasher.
Julius Robert Oppenheimer: Led the team which developed the atomic bomb.
Leonardo da Vinci: Produced designs for numerous inventions.
Marion Donovan: developed the first waterproof disposable diaper.
Mary Anderson: Invented windshield wiper blades.
Margaret Knight: Invented the square-bottomed paper bag.
Thomas Edison: Worked with electricity and sound improving light bulbs and telephones as well as motion picture cameras and other inventions.
Explanation:
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