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Reseach On Superconductors Essay

689 words - 3 pages

1. How developments in semi conductors have challenged technology? Transistors are the main components of microprocessors. They give micro - processors the skill to preform tasks from simple word processing. Transistors can carry out millions of instructions per second on a small and simple chip. Space shuttles, medical equipment, TVs & computers all use microprocessors. Before transistors, computers relied on slow and useless vacuum tubes & mechanical switches to develop information. However now with transistors, microprocessors are the main function of our personal computers.Silicon chips Most integrated circuits are based on a silicon chip. Silicon is a semiconductor, a material that can be doped (treated) to control electric signals. Manufacturers use substances such as aluminium or boron as impurities to dope silicon. Chemical processes add the impurities to specific areas of the chip. The kind and arrangement of the impurities decide how each area controls signals. Most areas serve as transistors.2. The effects of current research into superconductors.In 1990 the marker for the commercial user of MACLEY technology researched superconductors. The research gained the status of nationally founded projects in Japan. Also in December 1998. Pirelli wiro built an 115kv test cable using high temperature semiconductor wire. There have been no major advancements in superconductors. However Tc's have accomplished in recent years. Another discovery such as in 1997 was when a researcher discovered that an alloy of gold and indium was both a superconductor and a natural magnet. Further discoveries were the first high temperature superconductor that doesn't contain copper. The discovery of the first plastic superconductor was found recently.3. What are the six careers in which skills in and understand of electricity and electronic could be useful.They are: Surgeons, Doctors, Sciences Teachers, Pilots, and Electrician.4. Evaluating the impact of electric technology on society.Two examples of the positive impacts on society are: 1) Computers-...

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