The technology behind the carbon nanotube was discovered by Sumio Iijima in 1991. Carbon nanotubes are the strongest known material in the universe. They have 100 times the strength of steel yet weigh only 1/6th as much. Therefore they are the perfect material for the aviation industry. Carbon nanotubes also conduct electricity and heat well.With nanotechnology, the real appeal is you can make components smaller, lighter, and even stronger than with conventional methods.
Medical industries also stand to benefit from nanotechnology. New drug delivery methods and pharmaceuticals are currently being discovered. The fusion between biology and technology is a real possibility. It is hoped that smart drugs can be created in the future to sense different conditions. This technology would be possible by interfacing nano-sized computers with biological systems.
The National Cancer Institute (NCI) has granted a $144.3 million, 5-year research initiative for nanotechnology cancer research - evidence for the potential of a career in this field.
Another recent development are the MEMS (microelectromechanical systems). These systems are the combination of tiny electrical and mechanical apparatus (ranging from micrometers to millimeters in size). MEMS may be used to build chemical and pressure sensors, micro-optics, and fluid pumps.
Here are a few more areas of great interest in the field of nanotechnology: DNA biochips for sensing specific DNA sequences, smart materials for sensing applications, molecules that interact with light, microfluidics - chips that test an array of chemical reactions, and living biosensors
The U.S. is not the only nation to get in on biotechnology. Europe and Japan are making giant leaps in nanotechnology as well. Therefore, with the large amounts of money and research being poured into nanotechnology, it is hoped that great strides can be made in this new and exciting area of technology.
Navtej Kohli
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