Inside every modern computer or other data-processing wonder is a microprocessor bearing millions of transistors sculpted from silicon y chemicals and light. Silicon, the second most abundant element on Earth, is used extensively in transistors, integrated circuits, photoelectric devices, and other electronic devices. A pure crystal of silicon does not conduct electricity unless traces of other substances are diffused or doped onto it. Therefore silicon must be manufactured in a specific way in order for it to yield electrons for a current. All manufacturing of silicon takes place in a "clean room" which is an area where each one foot cube of air must contain fewer than 1000 tiny specks of dust and zero humidity. The temperature is maintained at a constant 68 degrees Fahrenheit and all workers have to wear coats, gloves, masks, and overshoes. This is necessary because even....

Number Of Pages: 3

Number Of Words: 625

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