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Nanotechnology

Adapted from Wikipedia · Explorer experience

A diagram showing how tiny nanomaterials are compared to other everyday objects.

What is Nanotechnology?

Nanotechnology is the science of working with very tiny pieces of matter. These pieces are so small that you can only see them with special microscopes. They are measured in nanometers, which are billionths of a meter. At this size, materials can behave in surprising ways, very different from larger objects we see every day.

Why Do People Know About It?

This field brings together many areas of science and engineering, like chemistry, biology, physics, and materials science. Researchers use nanotechnology to create new substances and inventions, such as better medicines, faster computers, and stronger materials for everyday products.

Fun Facts

One fun fact is that nanotechnology helps make sunscreen better. It can also help make clothes that stay cool and last longer. In cars, it helps make batteries better. Even sports equipment like tennis balls can be improved with nanotechnology!

Who Started It?

Nanotechnology started with ideas from physicist Richard Feynman in 1959. The word "nanotechnology" was first used in 1974 by Norio Taniguchi. It became well-known in 1986 when K. Eric Drexler wrote a book about it. Today, scientists use special tools like the scanning tunneling microscope to see and move single atoms.

How Do They Build Tiny Things?

There are two main ways to build things in nanotechnology. In the “bottom-up” way, tiny parts come together by themselves, like building blocks fitting into place. In the “top-down” way, scientists start with bigger pieces and shape them into very small devices. These tiny structures can behave differently from larger pieces of the same material, which makes them useful for many new technologies.

Images

A scientific model showing the structure of a DNA tetrahedron, used in DNA nanotechnology.
Portrait of scientist Harold Kroto after a talk in San Luis Potosi, Mexico.
An atomic force microscope uses a tiny cantilever with a sharp tip to scan surfaces by measuring laser beam deflection.
Animation showing how electrons move in a tiny nanowire device to reach the right voltage for it to work.
Diagram showing nanowire lasers used for fast transmission of information with light pulses
A close-up view of gold atoms arranged in a pattern, showing how they are organized on a surface.
Portrait of Sumio Iijima, the scientist known for discovering carbon nanotubes.
Portrait of Richard Smalley, a scientist known for his work on carbon nanotubes.
Animation showing how cells build proteins, with colorful shapes representing tiny building blocks and machinery inside the cell.
An illustration showing the structure of a rotaxane, a special type of molecule used in molecular electronics.
An animated model showing the structure of a special round molecule called Buckminster Fullerene, made up of 60 carbon atoms.

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Nanotechnology, available under CC BY-SA 4.0.

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