GK
INVENTIONS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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morse code
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lightbulb
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phonograph
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cotton gin
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Detailed explanation-1: -Whitney received a patent for his cotton gin in 1794 (his idea was based on earlier gins and also on ideas from other people, including Greene and enslaved laborers; some say that these were the rightful inventors of the cotton gin).
Detailed explanation-2: -The invention of the cotton gin, a device that separates cotton fibers from the seeds, is typically attributed to Eli Whitney, who was granted the patent in 1794. Yet, others contributed to its making-including a woman, Catherine Greene, and African slaves, two groups that gained little recognition for their input.
Detailed explanation-3: -Who Made America? Innovators | Eli Whitney. After graduating from Yale, Whitney headed to work as a tutor in South Carolina. When upon arrival his proposed salary was halved, he accepted the offer to settle on a friend’s plantation in Savannah, where he would make his cotton gin breakthrough.