city-states. As we know‚ catapults were mainly used in the medieval era‚ or rather‚ it is most famous for use in that time‚ which you have probably seen in movies and books. How Does the Catapult Work? There is quite a bit of science behind the making of the catapult‚ and how it works. It is similar to a ballista that it works by storing tension in a flexed piece of wood or in twisted ropes. It’s similar to a bow‚ but on a much larger scale. However‚ that is just the catapult which is probably most
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HOW AN ELECTRIC GENERATOR WORKS Electrical generators by definition are devices that convert mechanical energy into electric energy. The mechanical energy in turn is produced from chemical or nuclear energy in various types of fuel‚ or obtained from renewable sources such as wind or falling water. Steam turbines‚ internal-combustion engines‚ gas combustion turbines‚ electric motors‚ water and wind turbines are the common methods to supply the mechanical energy for such devices. Generators
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The Constitution works because it has check and balances. The Checks and Balances make sure that no branch of government gets too powerful‚ or else there would be no point in having three branches of government. Our Constitution works because each branch has equal power. The three branches of government is the made in two three team. On each team has their own side to do one thing. The three teams are executive‚ legislative‚ and judicial.Congress is the legislative branch of the federal government
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learning potentials: 093.1.1/2 1. UNICEF works for children in more than 190 countries. We believe that every child‚ no matter who they are or where they live‚ has the right to grow up safe‚ happy and healthy. In 1989‚ the world’s leaders officially recognised the human rights of all children and young people under 18 by signing the UN Convention on the Rights of the Child. The Convention is the basis of all our work. UNICEF is the only organisation working for children recognised by the Convention
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How a Pogo Stick Works The pogo stick is a mechanical device that utilizes the spring’s ability to store energy. In this paper I will explain how the toy uses the laws of physics to provide hours of fun. There are a lot of forces acting on you and the pogo stick as you bounce along. We’ll take an in depth look at all of these forces and what part they play in the overall functioning of pogo sticks. The physical aspects can be broken down into sections to get a better understanding of what is going
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How Does the Thermometer Work? A thermometer is a device that measures the temperature of things. The name is made up of two smaller words: "Thermo" means heat and "meter" means to measure. You can use a thermometer to tell the temperature outside or inside your house‚ inside your oven‚ even the temperature of your body if you’re sick. One of the earliest inventors of a thermometer was probably Galileo. We know him more for his studies about the solar system and his "revolutionary" theory
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NOVA: How the Brain Works The description pretty much describes this video well. In essence‚ it’s a look into the complexity of the human brain. Trying to understand how we perceived the world around us and showing some of the experiments that try to explain how the process works. If you want to spend an hour with quirky but interesting approach to the topics of how illusions work‚ how our brains are affected by electro-magnetic impulses and what is the current status of artificial intelligence
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Marquee A. Villanueva How a Fax Machine Works It is very typical and practical in an office to have a fax machine. Every time you walk in to an office‚ you may see one of these machines but have you ever wondered how they work? Have you ever thought‚ how can a machine transfer information from one phone to another without really sending the original document? Some people might think it’s magic but it is actually not. It is science in use‚ technology. All of this may sound to high-tech
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Assignment 1 Unit 1: Investigating How Businesses Work In this task I will be writing about Marks & Spencer as it is an international business and is very popular. Ownership Company Profile Marks & Spencer Marks & Spencer is a super market but it also sells clothing‚ home stuff and much more. Marks & Spencer are an international business which has 337 stores in 41 territories overseas. They also have 703 stores in the United Kingdom. They sell products to customers which are satisfactory and what
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How To Work Your GPS Unit Jessica R. London Colorado Technical University Online How To Work Your GPS Unit Before we place your unit on you‚ we will go over how to charge it and listen to messages. Your unit does have to be charged at least two hours a day. You can charge it an hour in the morning an hour at night. You can break it up into 30 minute intervals‚ as long as you charge it a minimum of two hours a day. You can never overcharge just don’t undercharge it. First‚ you are going to
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