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When did the first computer come out?

In the United States, the Atanasoff-Berry Computer was released in 1942 and influenced ENIAC, the first general-purpose all-electronic computer.\nThroughout the 1970s, a wide range of personal computers hit the market. While many of these models achieved some success, it was the Apple II, released in 1977, and the Intel- and DOS-based IBM PC, released in 1981, that laid the groundwork for modern personal computers and most modern servers.

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What are the contributions of Babylonians to civilization?

The Babylonian Empire was one of two new empires that emerged and gained prominence after the downfall of the Akkadian Empire. The Semitic Amorites of Babylon were known to have originated the craft of jewelry-making by using precious stones and metals. At the heart of their economy was forming sales contracts and validating their business dealings with seals. The Babylonians are also noted for producing the epics of Gilgamesh and Enuma Elish, two of the oldest literary works that are still being studied today.Perhaps the most famous among the Amorites was Hammurabi. He wielded his power wi..

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Why are so many people opposed to Obama's proposed tax plan?

Under the plan outlined in Obama’s 2015 State of the Union address, the capital gains tax paid by those with annual incomes exceeding $500,000 increases from 23.5 to 28 percent. Obama plans to use this revenue to increase tax credits for higher education, extend the earned income credit for families without children, and increase the tax credits for child care given to families with low and medium incomes.

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How were early fire extinguishers constructed?

In 1723, a chemist named Ambrose Godfrey patented the first automatic fire extinguisher that was composed of a cask of fire-extinguishing liquid and a pewter chamber filled with gunpowder. A fuse system was connected to the cask, which created an explosion of gunpowder upon ignition of the fuse system, resulting in the scattering of the solution inside.\nIn 1818, Captain George William Manby created the first portable version of the fire extinguisher using a copper vessel filled with pressurized potassium carbonate. In 1866, Francois Carlier of France patented a soda-acid extinguisher that con..

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What was common in England after the agricultural revolution?

The agricultural revolution led to the growth of industry, which spurred urban growth as farmers moved to the cities and the factories. This urban growth created a need for more processed or manufactured goods, which also added to the growth of industry.\nIn 1851, one-half of the population of England lived in cities or urban areas. By 1891, almost three-quarters of the population was classified as urban. London’s population grew from 1 million in 1801 to over 4 million in 1901.

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What was the Southern Manifesto?

The Southern Manifesto encouraged states to resist performing the mandates that were reached in the Brown v. Board of Education decision regarding the racial integration of public schools. In the manifesto, Congress stated that it would reverse the decision because the court's ruling was contrary to the U.S. Constitution. This was because the original Constitution did not mention education, nor did the 14th Amendment or any of the other amendments that were made to the Constitution at that time. Congress believed that the debates that preceded the submission of the 14th Amendment were pro..

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What areas did Sacagawea explore?

Much of Sacagawea's life is not well known. She was one of the wives of Toussaint Charbonneau, a French-Canadian trapper who also took part in the expedition. During the Lewis and Clark expedition, she crossed the Rocky Mountains and then reached the Pacific Coast, where she took part in the building of Fort Clatsop.

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What was the first fruit eaten on the moon?

The meal also included bacon squares, sugar cookie cubes, coffee and pineapple-grapefruit drinks. The second meal packed in the lunar module consisted of beef stew, cream-of-chicken soup, date fruitcake, grape punch and orange drink. The extra food in the lunar module included extra beverages, dried fruit, candy bars, bread, salad spread and turkey with gravy. The Apollo 11 mission was the first to have spoon-bowl packets, which allowed the astronauts to rehydrate and warm their food in a pouch that they could then eat out of with a spoon.

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Who invented the first sundial?

The obelisks built by the Egyptians and the Babylonians served more than their decorative purpose. They used the position of the shadow to estimate what time of day it was. However, the first actual sundial was discovered to have been constructed in 800 BC by the Egyptians. These early sundials were typically built from a green schist and were inscribed with six different time divisions. The direction of the shadow gives an approximation of what time it was.

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What were some key World War 2 battles?

Under Montgomery, the Allies handed the Germans their first major defeat and knocked them out of Africa.\nThe Battle of Stalingrad is significant because it denied Hitler the vast wealth of resources and strategic advantages of the Soviet Union. Hitler’s decision to open a second front against such a formidable foe still puzzles many, but he came within 50 miles of succeeding. The Soviet victory marked the end of Nazi advances and forced the Germans to fight a defensive war. This battle is also significant because it cost Hitler his last remaining source of oil in Romania and assured Germany..

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