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Nanotechnology- A technology which will change our lives

Updated on August 4, 2015

nanotechnology

Definition

Nowadays when new technologies and inventions are taking place day by day, one advance technology which we cannot ignore is called Nanotechnology. The word ‘nanotechnology’ is not nanotechnology in the original meaning. In its traditional sense, it means building things from the bottom up, with atomic precision.

A basic definition of Nanotechnology is: It is the engineering of functional systems at the molecular scale. It is a technique which is used to construct items in an atomic scale by using advance tools and techniques to create highly advance and high performance products which can be used for either physical treatment / medical purpose or for war/ strategic purpose.It covers both current work and concepts to more advanced techniques.

Nanotechnology- Meaning

In 1959, a renowned physicist Mr. Richard Feynman was firstly discussed the concepts of nanotechnology in his talk There's Plenty of Room at the Bottom. In 1980, Mr. K. Eric Drexler was the first person who was talking about building machines on the scale of molecules, a few nanometers wide— computers, robot arms, and motors. He spent more than ten years describing and analyzing these concepts. In 1986 Mr. K. Eric Drexler used the term "nanotechnology" In his book Engines of Creation: The Coming Era of Nanotechnology. He was highly inspired by Mr. Feynman's concepts.

A simple definition of nanotechnology includes anything smaller than 100 nanometers with novel properties.

According to size, the definition of Nanotechnology is very broad; it includes fields of science such as molecular biology, organic chemistry, surface science, semiconductor physics, micro fabrication, etc.

What will be the future of nanotechnology? It may be a matter of debate that how much nanotechnology will affect our future. Nanotechnology can be use to create many new things, materials and devices, such as in medicine, computers, electronics, industrial production, biomaterials energy production, and consumer products. On the other hand, nanotechnology can be use for illegal or strategic purpose, such as toxicity, effect the environment through nano-materials, its strategic use in war for killing people and their potential effects on global economics, etc.

There are two main types of approaches used in nanotechnology. First is “bottom-up” approach and second is “top-down” approach. In the "bottom-up" approach, molecular components are used to build high performance materials and devices. This approach seeks to arrange smaller components into more complex assemblies. In the "top-down" approach, larger materials and devices are used to construct nano-objects and devices. This approach seeks to create smaller devices by using larger ones to direct their assembly.

Nanotechnology in Medical science

Nanotechnology was firstly concerned to be used in medical field for the purpose of medical treatment. In the field of medical science the use of nanotechnology is strongly recognized. It can be used to cure different kind of deadly diseases such as cancer, aids and other different kind of infections. Think, In the case of cancer, how good it will be when we will take nano particle devices in the place of medicine which will attack on only dead or infected tissues without affecting any healthy tissues. These nano particle devices will remain in our body till they clear all infected tissues and after that they came out. This will be the fast and safe process for fighting against cancer without any side effect. Nanotechnology is also useful to replace some major kind of operations because it doesn’t require any cut on body. The future of nanotechnology in the field of medical science is very broad. It is hoped that developments in nanotechnology will make possible to diagnosis different kinds of diseases in near future.

Nanotechnology in War

Nanotechnology raises many of the same issues as any new technology such as what will happen if it will be use in war or as any other strategic weapon? Nobody can predict that this technology will not be use for any illegal or strategic purpose. There are many countries currently working in this technology trying to find out some way for using this technology as a strategic weapon. Who knows if this technology will be use in any future world war? If this technology is used in war, no doubt this will destroy a large portion of enemies land and thousands of their people also. It may be more dangerous if this technology will be used to damage internal brain of the enemies people. We can just hope that this technology won’t be use for any criminal or war purpose and will only be use for the development and benefit of our society and mankind.

Nanotechnology with other technology

Nanotechnology can be combined with other technology to produce a high quality, high performance novel product. Such as, nanotechnology can be use with computer technology to create high performance and high quality computer chips, micro processor, circuits, and other hardware devices which will take very little space and thus they will reduce the current size of computer and its other internal and external devices. It will make possible to store a huge amount of data in a very little space memory and thus open the door for creating high performance and high speed mobile handset size computers which will have capabilities like a mother computer. Nanotechnology can also be used with space science technology to create highly advance and sophisticated devices and equipments which can be easily carry to the orbit to perform space research missions.

In short we can say, nanotechnology has a large scope and can be combined with other technologies to give us highly advance and sophisticated products. It will make our life easy if it will be on right hand. This will definitely change our lives which we can see in near future.

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