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Who invented soap?

Soap was well-known throughout the ancient world. The ancient Egyptians made soap as early as 1550 B.C. by combining animal and vegetable fats with alkali salts. An entire soap-making factory was discovered in the ruins of Pompeii. Using soap for personal hygiene did not become prevalent until the late Roman Empire. Prior to that, it was used primarily for cleaning textile fibers prior to weaving and by physicians to treat skin disease.

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What are some facts about the Confederation Bridge?

The bridge has a concrete box girder structure that rests on more than 60 piers. The hollow interior design allows utility lines to cross the water, connecting Prince Edward Island to the mainland. The elevation of the Confederation Bridge runs between 131 and 200 feet. This is high enough to allow sea ships such as cruise liners to pass beneath it.\nMany safety features were incorporated into the design. The bridge has gentle curves so drivers must pay attention. The bituminous mixture that covers the road reduces the amount of water that vehicles spray up during wet weather. Barriers over 3 ..

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What did the Egyptians put in their tombs?

Ancient Egyptians believed that the dead should be buried with essential items that would prove useful to help them survive in the afterlife. Esteemed kings and other highly respected individuals would spend many years preparing for the afterlife by filling their tombs with items they felt were important. \n\nAmulets were often stored in the tombs with the bodies, specifically intended to ward off harmful spirits and other dangers. Many different items pertaining to an individual's interests were placed in their tombs to provide a similar standard of enjoyment that they held in life. Item..

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Why did the USA enter World War II?

Until 1941, the US kept out of the war. In general, Americans considered it a European affair and preferred to follow the traditional American policy of isolationism. However, the country was sympathetic to the Allied cause. The US had fought against Germany during WWI. Communists, leftists and Jews who heard about the oppression occurring in Germany pressed and lobbied the government to intervene. Many people believed that the totalitarian tendencies of European fascism would eventually threaten the US. In addition, the US shared a common heritage and friendly relations with Britain, whose ve..

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Where was the Coinstar machine invented?

The first machines returned so many coins to circulation, that the U.S. Mint had to adjust production schedules to coincide with Coinstar rollouts, and the company grew rapidly. There are currently over 60,000 Coinstar kiosks located in the United States, Mexico, Canada, the United Kingdom and Ireland, as of 2015.\nThe company expanded into providing cash for gift cards and purchased the Redbox DVD rental kiosks in 2009. In 2013, Coinstar acquired the ecoATM kiosks, which recycle used mobile phones, and changed its name to Outerwall Inc.

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When were stickers invented?

In Europe in the 1880s, marketplace vendors started to draw the attention of potential customers by sticking bright labels onto the packages and goods, particularly their fruit crates. Initially, gum paste helped to hold the stickers on to the packages.The early 1900s saw the introduction of sticker paste to hold the labels on. It is believed that Avery invented the first self-adhesive sticker in 1935, ultimately founding Avery Labels.

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What is a summary of the Watergate scandal?

Watergate.info reports that the scandal began with the arrest of five men for breaking into the Democratic National Committee headquarters in Washington, D.C. on June 17, 1972. The men were found to be bugging the building's telephones, including the phone of Democratic chairman Larry O'Brien. The FBI found the name of E. Howard Hunt--a former CIA officer involved in another Nixon controversy--in the address book of one of the burglars. Shortly thereafter, investigators discovered a cashier's check for $25,000 from the committee for the re-election of the president in the bank a..

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What contribution did Ada Byron make to computing?

Ada Byron was the daughter of noted poet Lord Byron. At a young age she began studies in math and science with her tutor, Augustus De Morgan. She met Babbage in her teen years at a party. Babbage gave Ada an overview of his Analytical Engine. She later contributed to the machine by publishing translations originally written in Italian. She did this in 1843.Ada’s translation notes included algorithms, step-by-step sequences and actions to solve specific types of math problems. Ada also added some statements in the article, some of which speculated that not only could the engine act on numbers..

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Who invented the anemometer?

The type of anemometer that is common today, the cup-shaped variety, was not invented until 1846 by John Thomas Romney Robinson. He used four cups and wheels on his anemometer. The design was improved again in 1926 by John Petterson, who simplified the design to 3 cups.Today's anemometers measure wind speed, wind pressure and wind direction. Wind speed is calculated by counting the number of times the cups on the instrument turn. They help meteorologists analyze how weather works, which assists with weather predictions.

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Why is Ruby Bridges an important figure in history?

Born on Sept. 8, 1954, in Tylertown, Mississippi, Bridges was one of a number of African-American students chosen to take a test to determine whether they would be able to attend an all-white school. At age 6 she learned she passed the test and would be attending the all-white elementary school that was five blocks from her house, rather than black school that stood several miles away. Although she passed the test in time to start school at the beginning of the school year, it took three months for the integration process to be completed due to a fight from the Louisiana State Legislature.\nFo..

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