What Is Nanotechnology and Where Is the Field Today?

The history of nanotechnology.

An artist’s concept of the field of nanotechnology, showing a nanobot studying a virus virion.
An artist's concept of the field of nanotechnology, showing a nanobot studying a virus virion. Source: K_E_N, via Shutterstock.

Nanotechnology is one of the things that got me interested in science as a young kid. But what is it? Most people vaguely know that it involves science and engineering at extremely small length scales. Science fiction fans might imagine the legion of tiny robots inside the body — fighting diseases and repairing cells to…

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