PLTW - Nanotechnology

The prefix "nano" comes from a ...

• French word meaning billion
• Greek word meaning dwarf
• Spanish word meaning particle
• Latin word meaning invisible

Who first used the term nanotechnology and when?

• Richard Feynman, 1959
• Norio Taniguchi, 1974
• Eric Drexler, 1986
• Sumio Iijima, 1991

What is a buckyball?

• A carbon atom (C60)
• Nickname for Mercedes-Benz's futuristic concept car (C111)
• Plastic explosives nanoparticle (C4)
• Concrete nanoparticle with a compressive strength of 20 nanonewtons (C20)

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Which of these consumer products is already being made using nanotechnology methods?

• Nano-Tex fabric
• Golf Ball
• Sunscreen Lotion
• All of the Above

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Nanotechnology is an enabling technology that will impact many industries and applications.  Check all that apply.

• Electronics and computing
• Health and Medicine
• National Security and Space Exploration
• All of the Above

Nanorobots (nanobots)...

• Do not exist yet
• Exist in experimental form in laboratories
• Are already used in nanomedicine to remove plaque from the walls of arteries
• Will be used by NASA in the next unmanned mission to Mars

What exactly is a quantum dot?

• A semiconductor nanostructure that confines the motion of conduction band electrons, valence band holes, or excitons in all three spatial directions.
• The sharpest possible tip of an Atomic Force Microscope
• A fictional term used in science fiction for the endpoints of wormholes
• Unexplained spots that appear in electron microscopy images of nanostructures smaller than 1 nanometer

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What best approximates the diameter of a DNA molecule?

• 2 nanometers
• 20 nanometers
• 3 Angstroms
• 100 Angstroms

What is a nanometer?

• 100 Angstroms
• 100 millimeters
• 1 billionth of a meter
• 1000 millimeters

Nanotechnology allows the manipulation of atoms or molecules to create or modify materials at the nanoscale.

• True
• False

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