The scientist Eric Drexler popularized the word 'nanotechnology in the 1980s. He used this word for building machines on the scale of molecules, a few nanometres wide. Nanotechnology is a highly disciplinary science in the field of chemical, biological, mechanical, and electrical branches of engineering, applied physics, chemistry, medicine, robotics, and many other fields.
Eric Drexler was the first person to popularise nanotechnology. He was interested in building fully functioning robots, computers, and motors that were smaller than a cell In the early stages, the success of nanotechnology was doubted. However, today this kind of technology means something different Instead of building microscopic motors and computers, scientists are interested in building superior machines atom by atom. Nanotech, therefore, has come to mean that each. the atom of a machine is a functioning structure on its own, but when combined with other structures, these atoms work together to perform a larger purpose.
The ability to see nano-sized materials has opened up a world of possibilities in a variety of industries and scientific fields. It is so because nanotechnology is essentially a set of techniques that allow manipulation of properties on a very small scale As nanotech continues to develop, consumers will see that it is being used for several different purposes. This technology may be used in energy production, medicine, and electronics as well as other commercial uses. The application of nanotechnology in medicine, drug delivery, and tissue engineering will open up a new concept of medicinal treatment. It is going to tackle the problem of air pollution and water pollution. This technology will surely address our environmental and health concerns.
We are in the first generation of nanotech when structures created are passive and carry out one specific task. Scientists are entering the second stage, when the structures created are able to carry out multi-tasks. The third generation is expected to introduce systems composed of thousands of nanostructures. The last and fourth generations will be defined by nanosystems designed on the molecular level.
We have not seen much of nanotech being fruitful at present But its future is bright. The first wave of its application is only now beginning to break. As it does, it will affect everything from the batteries we use to the clothes we wear and to the way we treat cancer.
The sum and substance of nanotechnology are that materials begin to develop odd properties when they are of such a small size. Substances behave magically at this scale because that is where the essential properties of matter are determined. For instance, an aluminum foil torn into tiny strips may continue to behave like aluminum But at some point, aluminum strips measuring 20 to 30 nanometres may explode. There is a talk of adding nano aluminum to rocket fuel. It is like one shrinks a cat and keeps on shrinking it and then at some point, all at once, it turns into a dog.
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