Life Changes Sample Essay
With the global development of science and technology, our life is getting richer and richer. Subways, high speed trains, airplanes, telephones, cell phones, automatic elevators and so on. These technological developments have changed our lives.
The magnetic levitation train does not travel close to the rails, but in the form of levitation, traveling on the rail surface. Originally, it utilizes the principle of electromagnetic induction of phase attraction and repulsion to make the body of the train float, and then the electricity launched by solar energy, wind or water power to propel the train forward. This kind of train will not have noise, safe and smooth, will not pollute the ecological environment. Japan's magnetic levitation train, is the use of electromagnets and coils of induction of the magnetic force, so that the body levitation. The magnetic levitation train in Birmingham, England, uses the force of the magnetic field between the electromagnet and the track to levitate the train.
Cement mixer trucks come to carry mud, and construction sites use dispersed lumps of mud. To keep the mud from caking into hard lumps, it is then rolled as it goes. There is a large motion transfer vehicle that is also a round compartment, which is used to transport liquids. The round design of the liquid tanker has certain reasons, first of all to the same surface of the material, to the largest volume of the round enclosure; then the round has no edges and corners, is not easy to break. Round tanks are also more uniform to withstand the pressure.
Satellite is a high-tech communication building, every few years the world must launch a satellite. The satellite consists of a star body, transponder and receiving and transmitting antenna, solar power system, attitude control and orbit control system. We see television programs thousands of miles away from the satellite transmitting antenna to each area of the receiving war, will also provide some separate auxiliary apparatus. In this way, we can see TV programs thousands of miles away.
High-rise buildings are often found in cities because of the high cost of land, so they have to use high-rise buildings. The formation of high-rise buildings are varied, there are square columns, round, prismatic and so on. Commonly, there is a zigzag building, like a rectangular building blocks, wind resistance is poor. Cylindrical buildings have better wind resistance, using cylindrical famous buildings are the Peachtree Center Plaza Hotel in Atlanta, USA, which is the highest conical hotel in the world. Cone-shaped buildings have the best wind resistance, and the ability to resist earthquakes is more powerful.
Technology is changing our lives, technology is leading us into a new society. As long as we love science, study science and observe science, we can create a perfect realm!
Writing Tips
1. Be concise: This is one of the most important things you can do in the revision process. Revise sentence by sentence, paragraph by paragraph, and cut out all that is not relevant to the topic. A short sentence is more persuasive than a lengthy paragraph of nonsense, and big words are more popular than obscure jargon. Remember: simplicity is power.
2. Infectious sentences: Use infectious verbs in short sentences. Of course, there's no requirement for every sentence to be like this, and you'll need to vary it. But, try more sentences that are engaging. And, you don't have to wait until you have to revise to use them, you need to think about this when you first start writing.