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Who invented the dynamo?

For humans to be able to use large amounts of electricity, they must use have dynamos, alternators (sometimes also called generators) and batteries. It took more than 50 years after the first battery was created for a person to create a working dynamo due to the complex field of electromagnetism.Although Pixii had created the first dynamo and the first alternator, he was not able to use his dynamo effectively. Many other scientists contributed to the field, such as Antoni Pacinotti, Werner Von Siemens, Charles Wheatstone and Zenobe Gramme, but it was not until 1876 that the dynamo was ready fo..

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Who wrote the Bill of Rights?

Madison drew heavily from the Virginia Declaration of Rights, written by George Mason and ratified by the state in 1776. The Bill of Rights restricted the powers of the federal government, but it was not applied to state governments until the passage of the 14th amendment. This practice is called "incorporation" in jurisprudence.

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How long did the ancient Egyptian civilization span?

The history of Egypt spans 30 centuries and is divided into many different periods with different accomplishments, milestones and events being associated with each.The first hieroglyphics can be traced back to the Archaic Period. The capital of Memphis was also established as was the idea of the king as a god.The Old Kingdom saw the Egyptian culture flourish with the first pyramid being built in 2630 B.C. Later, the Great Pyramid of Gaza would be built for Chufu who reigned from 2589 until 2566 B.C.The Middle Kingdom is marked by strong foreign policies, a return to pyramid building and the fi..

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What did they eat on the First Fleet?

The standard rationed amount of food per man per week consisted of 4 pounds of salted pork or 7 pounds of beef, 7 pounds of flour or bread, 3 pints of dried peas, one half pound of rice and 6 ounces of butter. Men received the full ration weekly, while women received three-quarters and children one half. Items were frequently substituted based on availability.\nTheir diet also consisted of game including items such as seafood, as it was readily available. However, wild food was not always practical, as the infestation of maggots and rats in the meat was common. Produce eaten consisted of any v..

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What were the causes and effects of the Whiskey Rebellion?

The tax was established in 1791 as a way to help pay back debts the new government had incurred during the Revolutionary War. Farmers on the western frontier felt it placed undue hardship on them because they usually distilled their grains into alcohol, which was easier to ship than whole grains. Although the protests against the tax were initially peaceful, they became violent in 1794 when the protesters burned the home of the local tax collector.\nAlthough President Washington was initially unsure if he should send troops to stop the violence, eventually he listened to Alexander Hamilton&apo..

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What were the long-term consequences of McCarthyism?

Under the guise of hunting for Soviet spies, Senator Joseph McCarthy and his contemporaries managed to link almost any political group on the left with communism in some way, holding up even the most benign leftist organizations as tools of a worldwide conspiracy to destroy America. While the country's rightward shift in response was temporary, the McCarthy era did create a change in the political lexicon. Previously, communist and socialist ideas were spoken of freely, while after the Red Scare, any politician linked to either of those labels could see his career disappear in an instant...

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What did Martin Luther believe was the path to salvation?

It was this basis that lead to Luther breaking with Rome, but it was just the start of his ideals. He spoke out against the selling of indulgences and against the fact that the Pope or any other church official had actual power over what happened to a person's soul. They were just simple men, and he believed that anyone could read the Bible and gain God's message. In his opinion, it did not take any special gift or ability to communicate with God, just the simple desire to do so. Luther also believed that any ritual, belief or practice not found in the Bible should not be allowed. Th..

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What are most periods of the Paleozoic era named after?

The later periods of the Paleozoic Era, in order, are: the Ordovician and Silurian, both named for ancient Welsh tribes; the Devonian, named for Devon, England; the Carboniferous, which drew its name from a British formation known as the Coal Measures and the Permian, which was named by a Scottish geologist after Perm, Russia. Other, post-Paleozoic periods were often named in similar ways such as the Jurassic, which was named after the Jura Mountains in Switzerland.

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What are some examples of WW2 aircraft?

The Boeing B-17 Flying Fortress is one of the most famous aircraft flown during World War II. This airplane was a bomber that ran missions over Germany. The B-17's high-flying ability plus its state-of-the-art Norden bombsight made it a valuable tool. Not only could it fly well out of range of other aircraft and protect itself against enemies, but the bombsight helped the crew to hit its targets accurately.\nAmerican pilots flew the Vought F4U Corsair on the Pacific front against Japan, who considered it a deadly foe. It was both speedy and maneuverable. The United States also piloted the..

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When was rubber invented?

Charles Goodyear experimented with rubber even while in jail in Philadelphia. He was bankrupt but continued to work with rubber until the day he discovered vulcanized rubber. Initially, the white sap from the Hevea tree in South America was used to produce vulcanized rubber. In Britain, it was used to rub out pencil marks, and the term rubber gradually stuck. The invention of vulcanized rubber brought sweeping changes in the industrial sector.

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