Nanotechnology history

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Nanotechnology history

Request account Nanotechnology Using technology developed to construct microchips, engineers can now construct microscopic machinery like the gears shown in this electron microscope image, dwarfed by a mite. Future generations of nano-machinery promise to be even smaller.

The story of nanotechnology begins in the s and s, Nanotechnology history most engineers were Nanotechnology history big, not small.

This was the era of big cars, big atomic bombsbig jetsand big plans for sending people into outer space. Huge skyscrapers, like the World Trade Center, completed in were built in the major cities of the world. Other researchers, however, focused on making things small.

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In the s and s the electronics industry began its ongoing love affair with making things smaller. The invention of the transistor in and the first integrated circuit IC in launched an era of electronics miniaturization. Somewhat ironically, it was these small devices that made large devices, like spaceships, possible.

For the next few decades, as computing application and demand grew, transistors and ICs shrank, so that by the s engineers already predicted a limit to this miniaturization and began looking for an entirely new approach.

As electronics engineers focused on making things smaller, engineers and scientists from an array of other fields turned their focus to small things—atoms and molecules. After successfully splitting the atom in the years before World War II, physicists struggled to understand more about the particles from which atoms are made, and the forces that bind them together.

At the same time, chemists worked to combine atoms into new kinds of molecules, and had great success converting the complex molecules of petroleum into all sorts of useful plastics.

Nanotechnology history

Meanwhile geneticists discovered that genetic information is stored in our cells on long, complex molecules called DNA about 2 meters of DNA is packed into each cell! This and other work led to a greater understanding of molecules, which, by the s, suggested entirely new lines of engineering research.

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So, the roots of nanotechnology lie in the merging of three lines of thinking—atomic physics, chemistry, and electronics. Only in the s did this new field of study get a name—nanotechnology. This new name was popularized by physicist K. Eric Drexlerwho pointed out that nanotechnology had been predicted much earlier, in an almost-forgotten lecture by Nobel Laureate Richard Feynmanwho proposed the idea of building machines and mechanical devices out of individual atoms.

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The resulting machines would actually be artificial molecules, built atom by atom. While the resulting molecule might itself be larger than a nanometer, it was the idea of manipulating things at the atomic level that was the essence of nanotechnology.

But not only was this kind of manipulation impossible at the time, but few people had any idea why it would be useful to do it! Although nanotechnology dates from the s, the biggest changes have occurred just in the past few years.

In the late s, research money began pouring in from corporate and government sources. In the space of just a few years governments around the world launched three major and many other smaller new research programs, including the National Nanotechnology Initiative in the U. Japan has its own huge nanotechnology program, with money coming from private industry and government agencies such as the Ministry of Trade and Industry.Sep 08,  · A Very Small History of Nanotechnology.

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Advantages and Disadvantages of Nanotechnology

Slate. Future Tense. So far, this narrative of nanotechnology’s history is full of the actors one might expect: corporate.

Special issue Nanotechnology: History and future JE Hulla1, SC Sahu2 and AW Hayes3 History of nanotechnology Human dreams and imagination often give rise . Nanotechnology is ancient history In the antiquities, nanoparticles were used by the Damascans to create swords with exceptionally sharp edges and the Romans to craft iridescent glassware.

Please visit: caninariojana.com://caninariojana.com As is the case with many other disciplines, applications of nanotechnology (for example, in making steel and creating paintings) were in use .

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History of nanotechnology - Wikipedia