How influential was gunpowder in ancient china ? Gunpowder is the first explosive the world had ever seen and also one of the four great inventions of ancient China. When this was in the hands of strategists‚ the gunpowder was turned into black powder used in war. The military uses of gunpowder began at the end of the Tang Dynasty. In the Song Dynasty‚ the government set up gunpowder workshops‚ where flammable or explosive weapons like a fire cannon‚ rocket and missiles etc. were produced in different
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Man’s inhumanity to man essay. The whole topic of this essay is the idea of mans inhumanity to man‚ how men are through time finding ways to destroy each other. Edwin Brook is the author of the poem five ways to kill a man‚ has written the poem with a very sarcastic and ironic view of death‚ this method is used to shock you. This poem is written like a recipe‚ it is a recipe for death and destruction and each verse you could say is an ingredient. The poem
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There have been many awesome inventors with inventions still being used in our everyday lives. To choose the greatest invention or discovery of all time would be next to impossible. With all the technology today‚ all inventions seem as if we could not live without them. Thomas Edison’s light bulb has been one of the biggest impacts on society even to this day. Thomas wanted to replace the gaslight with a mild‚ safe‚ and inexpensive electric light. Edison invented the light bulb in 1879‚ and to this
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Teenager invents revolutionary device; A device which can charge a cell phone in just 20 seconds A California teen has attracted the attention of tech giants Google for her potentially revolutionary invention which charges a phone in 20 seconds flat. The super-fast charging device has been dubbed a super capacitor by 18-year-old Esha Khare‚ of Saratoga - as she took home $50‚000 from the Intel International Science and Engineering Fair‚ which took place in Phoenix this week. The device will
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Katz’ article The Invention of Heterosexuality was an interesting read‚ albeit in my view a somewhat baffling oversimplification of a very complex topic. While I admire him for putting himself out there in his postulation of how he supposes heterosexuality was “invented‚” there‚ too‚ I am at a loss. His election of the term “invention” seems just as hair-brained as his hypothesis. Still‚ for the sake of argument‚ I will bite... I liked Katz’ introduction to his theories and particularly his use
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The telegraph changed how people communicated across long distances. Before this invention‚ people used drumbeats and smoke signals to provide information to other nearby villages. Weather and distance made it difficult to communicate. Someone could read the symbols by looking through a telescope. People needed a better method to communicate and this is where the telegraph comes in. The person who invented the telegraph was Samuel Morse. He was born in Charlestown‚ Massachusetts on April 27‚
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How useful is the Trait Approach to Leadership 1. Introduction Leadership defined as position (power and responsibility relation) or person (personality traits) or result (outcomes) or process (Grint‚ 2010). Person-based leadership resonates with the traditional traits approach. Trait theory‚ as the name gives away‚ is an approach to identify human personality and measure patterns of thoughts and behaviours from individual to individual. Lord et al (1986) indicated that personality traits show relatively
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life-threatening infections like pneumonia‚ blood infection‚ meningitis‚ and strep throat. In addition‚ because of penicillin‚ several amputations‚ and deaths (due to infection) during the second world war decreased. Many people have benefited from the invention of penicillin since its discovery and one of them was me. When I was a young kid‚ I had strep throat and my doctor prescribed me Penicillin. Infections that were life-threatening in the past can be cured with medicine. Another explanation
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TV: The Worst Invention Ever? Nowadays‚ TV has become a necessary part of people’s daily life. Some people believe that TV is destroying our society and is the worst invention ever. There is no denying that TV does have some drawbacks to society. For instance‚ watching too many TV shows wastes people’s time and hurts their eyes. In addition‚ broadcasting many diversions on TV can make people’s mind more superficial rather than reading books to do self-improvement. What’s worse‚ exaggerating actual
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People in today’s society live a daily life that a basic person could map out. They go to work‚ come home and make dinner‚ and sit down and watch some television. For kids it would be to come home from school‚ and watch television. Television has become a major power in our culture. It is our way to watch the news‚ hear the weather forecast‚ and to sit down and relax watching our favorite show or movie. But is the television really that good for our society? In 1884 the first ideas of the television
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