Gunpowder- Chinese Invention Chinese taoist alchemists were the major force behind the early invention of gunpowder. Emperor Wu Di (156-87 B.C.) of the Han dynasty financed research done by the alchemists on the secrets of eternal life. The alchemists experimented with the sulphur and saltpeter heating the substances in order to transform them. The alchemist Wei Boyang wrote the Book of the Kinship of the Three detailing the experiments made by the alchemists. During the 8th century Tang dynasty
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The most important invention of mankind Thinking about important and revolutionary inventions‚ make us visualise something material and sophisticated such as the television‚ the computer‚ the car‚ the airplane and so on. Each one of these elements was indeed very revolutionary and brought fundamental changes for the whole world. Nevertheless I consider that the most significant creation of mankind is also one of the oldest. It’s the elaboration of the graphic system of communication: writing
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Prohibition in the 1920s-1930s Prohibition failed in Canada because of the citizen’s disregard for the new law‚ bootlegging and for the difficulties in keeping this law. First‚ prohibition failed in Canada because of the complete disregard for the law shown by Canadian citizens. Before prohibition was introduced drinking was a common thing especially for men. But after law of prohibition was made official many avid drinkers ignored the law and were coming up with creative ways to still consume
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Necessity is the mother of invention The meaning of the proverb is self-evident. We invent what we need; unless we feel the pressure of needs‚ we are not likely to invent anything. The fable of the thirsty crow which collected pebbles and threw them into the jar to raise the level of water to the bird’s reach of lips is well-known. Mere necessity would not help us much if we are not moved by thought. Animals have their needs but because they lack the power of thinking and ingenuity‚ they cannot
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thriving. The music of the 1930’s included popular genres such as Big Band and Jazz‚ Swing‚ and Country. One out of three popular genres in the 1930’s was Big Band and Jazz; its premiere changed the face of music forever. The piano‚ bass‚ and the drums are the rhythm section of Big Band and Jazz music ("Music in the 1930’s"). Then‚ they have two to four melody players that include the instruments of clarinet‚ trumpet‚ saxophone‚ vibraphone‚ and guitar ("Music in the 1930’s"). Finally‚ the people
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Harper Lee’s To Kill A Mockingbird takes place in Maycomb Alabama‚ 1930. The book focuses on a six-year old girl named Scout‚ and her ten-year old brother Jem. The two spend much of their time with their friend‚ Charles Baker Harris (everyone calls him Dill) who comes to visit during the summers. The 3 children spend most of their time sneaking around the house of their mysterious neighbor Boo Radley‚ whose said to be crazy . Early on in the story Atticus Finch‚ father to Jem and Scout‚ agrees to
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into disuse. Many of the workhouses‚ however‚ became Public Assistance Institutions and continued to supply accommodation for the elderly‚ unmarried mothers‚ sick and vagrants. For inmates of these institutions‚ life never really changed during the 1930s and 40s. Apart from the ending of uniforms‚ and indeed more freedom to come and go as they pleased‚ things improved only gradually. More recently‚ the surviving buildings have increasingly been sold off to buyers for redevelopment‚ ironically‚ in some
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extragrant free moving culture. During this point in time there was a huge impactful social and political change. The 20’s was an age for everything new and exciting. There were many inventions during this time including: automobiles‚ the airplane‚ sliced bread‚ the assembly line‚ and the television. With the new inventions came new actions‚ dancing‚ and dressing. Many traditional standards were rejected. There was a break out of organized crime‚ and citizens ignored the prohibition on alcohol. Women
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March 27‚ 2012 Mr. Schmalbach American Studies The 1920’s were time of great prosperity and new trends that swept the nation. One of the best trends were all of the new inventions being created. Inventions including the Band-Aid‚ the Iron Lung‚ and even Bubblegum! These are three of the many inventions created during the 1920’s‚ and many are still to come. Earle Dickson was employed as a cotton buyer for the Johnson & Johnson when he invented the band-aid in 1921. His
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an official program for it in the United States. The colonies used the British Poor Laws to help those who couldn’t work. They made a distinction between those who were unemployed and couldn’t work and those who were able bodied but unemployed. In 1930’s‚ during the great depression‚ welfare began to be federally funded. It isn’t an easy process to apply to get welfare‚ however. First you have to make an appointment with a caseworker‚ and get a bunch of documents‚ such as‚ utility bills and proof
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