Will single molecule computer circuit clinch the race from silicon chip in the next few decades?

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Will single molecule computer circuit clinch the race from silicon chip in the next few de ...

As predicted, the processing power of a silicon chip almost doubles every 18 months. Advances in silicon chips continue to enhance the capability of computers. Industry experts believe that silicon developments will reach their limit only around 2015. In the mean time, scientists are developing several alternatives to increase the speed of computers with very low power consumption.

IBM has recently taken a very bold step by developing the first logic performing computer circuit from a single molecule using tiny cylinders of carbon atoms. These carbon nanotube transistors were possible by pouring a special polymer coating and subsequently etching out part of it to change from Y-type to N-type transistors. This new discovery helps to eliminate the wiring together of two different types of transistors. This new technique would allow the scientists to make as many transistors as required on one nano tube transistor on a single nano tube.

As others like Hewlett-Packard are conducting the research, Intel has built the fastest silicon transistor from 80 atoms in width and 3 atoms in thickness. This transistor is 1000 times faster than the existing microprocessor.
Who will win in this race? Only time will tell. But one thing is certain that we are going to continuously make smaller computers running at higher speeds and consuming a fraction of the energy used today.

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