Nanotechnology

Nanotechnology - This Research Paper was Presented by:...

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This Research Paper was Presented by: Kerkouche Rafik Mohamed Sai Vishnuvardhan Bikram Atreya Stratford University Information technology and Nanotechnology Abstract For many decades, nanotechnology has been developed with cooperation from researchers in several fields of studies including physics, chemistry, biology, material science, engineering, and computer science. In this paper, we explore the nanotechnology development community and identify the needs and opportunities of computer science research in nanotechnology. This paper is intended to benefit computer scientists who are keen to contribute their works to the field of nanotechnology and also nanotechnologists from other fields by making them aware of the opportunities from computer science. It is hoped that this may lead to the realization of our visions. Introduction In 1959, Richard Feynman, a future Nobel Laureate, gave a visionary talk entitled “There’s Plenty of Room at the Bottom” on miniaturization to nanometre-scales. Later, the work of Drexler.also gave futuristic visions of nanotechnology. Feynman and Drexler’s visions inspired many researchers in physics, material science, chemistry, biology and engineering to become nanotechnologists. Their visions were fundamental: since our ancestors made flint axes, we have been improving our technology to bring
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convenience into our everyday life. Today a computer can be carried with one hand – 40 years ago a computer (hundreds of times slower) was the size of a room. Miniaturization of microprocessors iscurrently in process at nanometre-scales. Yet, the style of our modern technology is still the same as ancient technology that constructed a refined product from bulk materials. This style is referred to as bulk or top-down technology [. As conventional methods to miniaturise the size of transistors in silicon microprocessor chips will soon reach its limit and the modification of today’s top-down technology to produce nanoscale structures is difficult and expensive , a new generation of computer components will be required. Feynman and Drexler proposed a new style of technology, which assembles individual atoms or molecules into a refined product . This Drexler terms molecular technology or bottom-up technology. This bottom-up technology could be the answer for the computer industry. Though top-down technology currently remains the choice for constructing mass-produced devices, nanotechnologists are having increasing success in developing bottom-up technology . There are some concerns regarding emergent bottom-up technology. First, the laws of physics do not always apply at nanometre-scales . The properties of matter at nanometre-scales are governed by a complex combination of classical physics and quantum mechanics Nevertheless, bottom- up fabrication methods have been successfully used to make nanotubes and quantum dots These methods are not yet suitable for building complex electronic devices such as computer processors, not to mention nanoassemblers that can make copies of themselves
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This note was uploaded on 03/27/2012 for the course IS ism789 taught by Professor Hyuio during the Spring '12 term at Stratford.

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Nanotechnology - This Research Paper was Presented by:...

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