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Nanoscale Science and Engineering. What is Nanoscale Science and Engineering?. Engineering at the nanoscale is called N anotechnology!. How small is a nanometer?. MACRO. meter. centimeter. All these are still visible with your eyes. millimeter. 6-8 µm. micrometer

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Nanoscale science and engineering

NanoscaleScience and Engineering


What is Nanoscale Science

and Engineering?

Engineering at the nanoscale is called Nanotechnology!


How small is a nanometer
How small is a nanometer?


Macro
MACRO

meter

centimeter

All these are still visible with your eyes.

millimeter


Micro

6-8 µm

micrometer

(One-millionth of a meter)

MICRO

Nanoscale objects are 1,000 times smaller!!!

These are smaller than you can see.


NANO

A nanometer is one billionthof a meter!!

DNA

2.5 nm

Viruses

3-50 nm

Atoms

<1 nm


Nanotechnology

The nanometer is extremelysmall.

At the nanometer scale, many materials behave differently.

We can use this new behavior to make newtechnologies.



Nano all around us

Apparel with silver nanoparticles

“Nano” all around us

Tata Nano

Babygear


Things are different
Things are different . . .

Size really does matter!

Bulk

Nano


Things are different1
Things are different . . .

Size really does matter!

Bulk

Nano

Nanoparticles interact differently with light.


Nanotechnology in the middle ages
Nanotechnology in the Middle Ages

Depiction of a forest glass shop from Sir John Mandeville's Travels, Dated 1420 – 1450. British Library, London


Why do we care
Why Do We Care?

Nanotechnology can improve how we live!


60-100 nm

  • Silver nanoparticles are used to kill bacteria in:

  • Athletic apparel

  • Socks

  • Refrigerators

  • Storage containers

  • Washing machines

Gold nanoshells can target and destroy cancer cells




Carbon Nanotube

Energy Transportation


Carbon atoms rearranged

Coal

Graphite

Diamond

Carbon Nanotube

Carbon Atoms Rearranged




Thank you
Thank you!

This project was supported by the National Science Foundation, NISE Net and OMSI.


True or false
True or False?

FALSE!

TRUE!

1. A red blood cell is

found on the nanoscale.

2. DNA is found on the nanoscale.


True or false1
True or False?

TRUE!

TRUE!

2. Nanotechnology can effect the way we move and produce energy.

1. Things on the nanoscalecan be found all around us in nature.


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