Nanotechnology happens at a nanometer level. A nanometer is one one billionth of a meter. For perspective, a human hair is about 100,000 nanometers wide. An e. coli bacterium might be 1,000 nanometers long. A typical transistor in a microprocessor in an iPhone wight be 100 nanometers wide, with its smallest features being 7 nanometers using 2020 technology. Nanotechnology happens down at the nanometer level, encompassing things below 1,000 nanometers.

Nanotechnology: A New Frontier
What is nanotechnology?
How Nanotechnology Can Change Your Life
4 Ways Nanotechnology Will Change Our Lives
How Will Nanotechnology Revolutionize Medicine?
The Nano Robots Inside You
The World’s Smallest Robots: Rise of the Nanomachines
Cancer Killing Nanobots
The Three Laws of Nanorobotics | Michael Sailor | TEDxUCSD
Building Medical Robots, Bacteria sized: Bradley Nelson at TEDxZurich
Size and Scale: A Walk from Kilometers to One Nanometer
The Importance of 7nm

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