What is Nanotechnology?

What is Nanotechnology?

Nanotechnology is a word that most of us know, but have no idea what it is. There are many sci-fi movies where the characters use small devices, usually robots to accomplish a task, but that is not entirely correct. Many people mistakenly believe that nanotechnology is just making devices on a smaller scale. While some of this is true, it does not define the size of a nanotechnology device. This is a subject that has been around for a while, but it is not fully defined either.


Nanotechnology in Medicines

The idea of ​​nanotechnology was first proposed by physicist Richard Feynman in 1959 during his speech "There is a lot of room at the bottom". During his speech, he shared his desire to build things on a smaller scale. In 1960, two scientists, Mohammed Attala and Dawon Kahng created a MOSFET with a length of only 100 nm. But the term nanotechnology was used for the first time by Norio Taniguchi who worked as a professor at the University of Sciences in Tokyo. Like the various fields involved in its study, its applications are also very broad.

Even scientists have different definitions of nanotechnology because they don't know how to express it in simple terms. Simply put, nanotechnology is a technology or device created by a very small synthetic material. The material or device created must have a size between 0.1 and 100 nanometers. To give you an idea of ​​its small size, a nanometer represents a billionth of a meter. He cannot be classified in any branch of science or engineering because his research concerns various fields like molecular biology, organic chemistry, molecular engineering, and energy storage.

Let's see what are the real applications of nanotechnology.


Medicine is an area that can benefit enormously from nanotechnology. Research is underway on the creation of nanomaterials that can be used to treat diseases. The idea is to create nanoparticles that can be injected into a person's bloodstream to diagnose their body. Researchers use nanotubes to which nano-antibodies are attached to detect cancer cells in the bloodstream. There is also a technique in development that uses gold nanorods to which is attached to a functional protein that can detect early kidney damage. Perhaps the most fascinating development is the nanoparticles used for drug delivery. These nanoparticles are designed to detect dead cells. They are designed in such a way that they discover cancer cells and provide them with drugs. These help kill cancer cells without damaging healthy cells in the body.

Nanotechnology in Nanoelectronics


Nanotechnology will surely revolutionize electronics because it can be used to create devices as small as a molecule. This will surely be a huge advantage as the size of the devices is considerably reduced. With the reduced size of the equipment, energy consumption also decreases. Researchers at Stanford University used nanotubes to create integrated circuits. In addition to circuits and transistors, there are nanoelectronic devices that store memory by manipulating the spin of electronics. Portable electronics will also exceed its current limits and reach a whole new level. You can have a temporary tattoo that can indicate glucose levels in the body or a nanosensor can be implanted on your tooth to examine the bacteria in your mouth.

Nanotechnology in the Food industry


The food industry can greatly benefit from emerging nanotechnologies because they solve many complications for sellers and buyers. By using nanotechnology or nanoparticles, the properties of food can be improved. Food safety is a major concern of consumers when purchasing food. Thanks to advanced nanotechnologies, any type of food contamination can be detected immediately. Nanoparticles can also be used to increase the shelf life of food, which improves the ease of food storage. Nanosupplements can be injected into food to improve the nutritional value of food.

Nanotechnology in Fuel


People can stop worrying about the over-extraction of fuel cells when nanotechnology should replace old fuel cells. Car manufacturers are trying to develop smaller and more efficient fuel cells than the fuel cells currently in use. The idea is to create fuel cells containing membranes that allow only hydrogen ions to pass through while blocking the rest of the ions. Once these fuel cells are created, they will replace the batteries in computers, laptops, portable devices, and electric cars.

Nanotechnology in Space


Advances in space research can be very easy with nanotechnology. Nanotechnology can be used to build light aircraft to explore space. The cost of space travel could drop significantly, as nanotechnology will reduce the amount of fuel required for a rocket. Scientists are also looking for a new technique to propel rockets called electric propulsion, which also uses nanotechnology. Bio-nanomachines can be deployed inhabitable conditions to conduct research. This would allow scientists to explore new territories on which a human could never set foot.

Nanotechnology is the manipulation of materials at the molecular level. A device cannot be considered nanotechnology if it is not made from any synthetic material. Even if there are some achievements in the nanotechnology industry, they are still not at the level we would like. Nanotechnology will define the future of gadgets. Most nanotechnology devices in use today are the product of years of research and development. People have to wait a little longer to see the full potential of nanotechnology as it is not fully developed.


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