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Ask a Scientist: What Is the Difference Between Nanoscale and Atomic Scale?

1 minutes 10 seconds

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(Describer) Title: NSF. Ask a Scientist.

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My name is Oliver Brand. I'm a professor in electrical and computer engineering at Georgia Tech in Atlanta.

♪

(Describer) Title: Ask a Scientist – Nanotechnology.

The question that I'm answering today is about what's the difference between the nanoscale and the atomic scale? Actually, the atomic scale is smaller than the nanoscale. So, when we talk about nanotechnology, typically we look at dimensions between one and one hundred nanometers. So somewhere between atomic spacings and then cell sizes. If we're talking about atomic scale, we really look at the size of atoms, which is below one nanometer. So, nanoscale--between one and one hundred nanometers, atomic scale-- below one nanometer.

♪

(Describer) Accessibility provided by the U.S. Department of Education.

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Now Playing As: English with English captions (change)

Nano expert Oliver Brand from Georgia Tech University discusses the difference between nanoscale and atomic scale. Part of the “Ask a Scientist” series.

Media Details

Runtime: 1 minutes 10 seconds

Topic: Mathematics, Science
Subtopic: Chemistry, Mathematics, Physics
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2016
Producer/Distributor: National Science Foundation
Series: Ask a Scientist
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Person speaking. Caption: between one and one hundred nanometers.

Person speaking and standing next to a poster board with "Control of matter at the nanoscale" surrounded by logos from different organizations. Caption: of matter at the atomic and molecular level.

Person speaking. Caption: So a nanometer would be ten to the minus nine meters.

Person speaking. Caption: and work on it to manage those risks.

Person speaking. Caption: We can apply an electric field or magnetic fields to them.

Person speaking. Caption: used for both doing diagnostics as well as theranostics.

Person speaking. Caption: Nanoparticles have been used in sunscreens

Person speaking. Caption: about nanobots replicating and taking over the world.

Person speaking in front of a background showing planets and space. Caption: And he detected a set of three planets around this star.

Researcher Mark Mote, a man with short dark hair wearing a plaid shirt, talks in front of a large blue banner. A young woman is near him in the background. Caption. "And that can be as simple as telling it how to add numbers."

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