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What is Robert Boyle's middle name?

Boyle was known mainly for his discovery of Boyle’s law, which describes the inversely proportional relationship between the volume and pressure of a gas within a closed system at a constant temperature. His scientific work covered many areas including physics, hydrostatics, natural history, medicine, earth sciences and alchemy. His output also included Christian devotionals, ethical essays and theological tracts on biblical language. Boyle died in London on Dec. 31, 1691.

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What year did Albert T. Marshall patent the refrigerator?

Although artificial refrigeration had been demonstrated decades earlier, American Oliver Evans is believed to have invented the first refrigeration machine in 1805. Other inventors credited with making significant advances to refrigeration systems were Jacob Perkins (1834) and John Gorrie (1844). Carl von Linden was a German engineer who was issued a patent in 1876 for the process of liquefying gas, which is part of basic refrigeration technology.

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What caused the Dust Bowl?

Cooler than normal temperatures over the Pacific Ocean and warmer temperatures over the Atlantic created the dry climate necessary for the drought to occur. These temperature fluctuations caused the jet stream, which typically carried moist air from the Gulf of Mexico, to become drier and change direction, leading to decreased rainfall over the Midwest.\nPoor farming practices and the unusually dry climate caused the surface soil in the Midwest to be eroded by wind, leading to highly damaging dust storms. Farmers at that time removed the natural grasses that could withstand harsh temperatures ..

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When was gymnastics invented?

During the 1830s, the sport made its way into the United States and some schools began adding it as an extracurricular activity. In 1881, gymnastics became a competitive sport all around the world when the International Gymnastics Federation formed. In 1896, gymnastics became part of the Olympic Games and German gymnasts dominated the event in the early going. In 1903, the World Championships surrounding gymnastics took place in Belgium. In 1928, gymnastics became a permanent part of the Olympic Games and this includes team and individual competitions.

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What was the significance of the 1920 campaign slogan return to normalcy?

Up until the Great Depression, the 1920s saw an overall growth of business and the economy through increased consumer spending, highly effective advertising and marketing strategies, numerous corporate mergers and the wide-scale application of Henry Ford's moving assembly line in production systems. The "Lost Generation" emerged during this time. Influential American writers such as Ernest Hemingway, F. Scott Fitzgerald and Sinclair Lewis left their marks on literature, while many who viewed with disdain what they perceived as narrow-mindedness and materialism became expatriates. Alienati..

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Where did the Aztecs live?

The Aztecs called themselves the Mexica. They originally came from a place called Aztlan, though historians debate about exactly where this was located. They roamed throughout the 12th century in what is now Mexico, eventually settling around Lake Texcoco. The Tepanecs expelled them from the region, and the Mexica settled Tizapan with permission from Cocxtli, who was the leader of a people known as the Culhuacan. From there, the Mexica settled Tenochtitlan, which is modern-day Mexico City. The Aztecs expanded quickly during the 14th and 5th centuries, building canals and settling much of moder..

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How did the radio affect America in the 1920s?

The use of radios in the 1920s brought information to the attention of Americans far more quickly than previous methods. Americans tuning into radio stations could hear the latest updates on many issues, including spreading news of pilot Charles Lindbergh's first trans-Atlantic flight from the United States to France in the late 1920s. Radios united families, as family members gathered around radios for nightly news, and brought the nation together too.Like many new technologies, the radio had some drawbacks. Early programming proved somewhat unreliable, as radio stations competed for air..

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What language did the Pueblo Indians speak?

Of the different tribes, seven tribes speak Keres, six tribes speak Tewa, five tribes speak Tiwa, one tribe speaks Hopi, one tribe speaks Towa and one tribe speaks Zuni. In modern times, the Pueblo people also speak English and some speak Spanish.\nPueblo Indians live mostly in New Mexico. One tribe lives in Arizona, and another tribe lives in Texas. Most of the tribes still follow the traditions of their ancestors.

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When did the Revolutionary War begin?

The British army units involved, consisting of 700 men, were en route to Concord, Massachusetts, to disarm rebels there. After exchanging fire in Lexington, killing several of the revolutionary Minutemen, the British troops continued on to Concord. They were engaged several times along the way by larger rebel forces. After sustaining significant casualties, the British began retreating towards Boston. Along the route of the retreat, they were attacked by several thousand militiamen. British reinforcements near Boston intervened to prevent a complete rout. Militia units converged on the city ov..

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Why are pyramids shaped like triangles?

Egyptian pyramids have long been a source of mystery and, in fact, the Pyramid of Giza is one of the Seven Wonders of the Ancient World. While no clue was left behind as to the reason for the triangle shape, archaeologists are able to make some educated guesses. Some believe that the pyramid shape is representative of the mound of creation. Egyptians believed that the Earth was created on an island, which they named the mound of creation. The pyramids rising up out of the flat desert might signify this belief.It is well-documented by artifacts found in pyramids that Egyptians revered their dea..

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