Who invented the cotton gin?

Who invented the cotton gin?

The cotton gin is a machine that is used to pull cotton fibers from the cotton seed. Eli Whitney invented the cotton gin in 1793 or 1794. At that time, Whitney was in the employ of Catherine Greene, the widow of General Nathaniel Greene.

Where was coffee made?

It was here in Arabia that coffee seeds were first roasted and brewed, in a similar way to how it is now prepared. By the 16th century, it had reached the rest of the Middle East, Persia, Turkey, and northern Africa. Coffee seeds were first exported from Ethiopia to Yemen.

When was the Constitution amended last?

Twenty-seventh Amendment, amendment (1992) to the Constitution of the United States that required any change to the rate of compensation for members of the U.S. Congress to take effect only after the subsequent election in the House of Representatives.

What does the number of calories in a food tell you?

A calorie is just a measurement of energy- the amount of energy needed to raise 1 gram of water 1 degree Celsius at standard atmospheric pressure. This makes sense when talking about calories in food. Food provides energy and our bodies need this energy to function throughout the day.

Who refused a Nobel Prize?

Jean-Paul Sartre, awarded the 1964 Nobel Prize in Literature, declined the prize because he had consistently declined all official honours. Le Duc Tho, awarded the 1973 Nobel Peace Prize jointly with US Secretary of State Henry Kissinger.

How many species of fish are in the great barrier reef?

More than 1,500 fish species live on the reef, including the clownfish, red bass, red-throat emperor, and several species of snapper and coral trout. About 5,000 species of mollusks live on the reef.

How many words are in the average high school graduate’s vocabulary?

The average American high school graduate’s vocabulary contains 60,000 words.

Who invented the alternating current?

Serbian-American inventor Nikola Tesla was born in July of 1856, in what is now Croatia. He came to the United States in 1884, and briefly worked with Thomas Edison before the two parted ways. He sold several patent rights, including those to his alternating-current machinery, to George Westinghouse.