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A simple introduction to the history of electricity.It’s a story of geniuses, who used electricity to light our cities, to communicate across the seas and the air,to create modern industry and to give us the digital revolution
The ancient Greeks rubbed amber which they called electron to get small shocks . Even Queen Elizabeth 1 marveled at static electricity’s power to lift feathers.In the initial stage,Electricity is just the magic, but not a kind of energy.在最初的阶段,电被看作成一种魔法,而不是一种能源摩擦生电
what electricity was?how it worked?why it did all these things? This was still a period when even in Newtons theory, god was constantly intervening in the conduct of the world.
Finally, someone came out, he was Benjamin FranklinThis is probably one of the most famous scientific images of 18th century.It shows Benjamin Franklin, the heroic scientist flying a kite in a storm, proving that lighting is electrical. 风筝试验人能捕捉闪电,电并不是魔法,而是实实在在的能量
After a period of exploration, people found that the electricity is connected to magnetism.Faraday invented the alternator, which allow us to generate seemingly limitless amounts of electrical power. 法拉第与电磁感应交流发电机原理通过研究电与磁的关系,法拉第发明发电机,人类社会进入电气时代。
After decades of development,The modern society become a society driven by electricity.Coal-fired power stationHydropower stationSolar?Power?StationElectricity from Wind
The coal-fired power station(火电站) Advantages: mature technology, the cost is low low demand for geographical environmentDisadvantages: high pollution high energy consumption and low efficiency.
The hydropower station(水电站)Compared with the coal-fired station, the hydropower station produce less pollution and the waterpower can regenerate. But it usually need big investment and has high demand for geographical environment.
Solar?Power?StationGreen?energy?Weather constrains
Electricity from WindWith new technological advances and mass production, projected cost declines should make wind power one of the world
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