Nanoscale Science and Engineering. What is Nanoscale Science and Engineering? Engineering at the nanoscale is called Nanotechnology!

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Presentation transcript:

Nanoscale Science and Engineering

What is Nanoscale Science and Engineering? Engineering at the nanoscale is called Nanotechnology!

How small is a nanometer?

MACRO meter centimeter millimeter All these are still visible with your eyes.

MICRO Nanoscale objects are 1,000 times smaller!!! micrometer ( One-millionth of a meter ) 6-8 µm These are smaller than you can see.

Viruses 3-50 nm DNA 2.5 nm Atoms <1 nm A nanometer is one billionth of a meter!! NANO

1. The nanometer is extremely small. 2. At the nanometer scale, many materials behave differently. 3. We can use this new behavior to make new technologies. Nanotechnology

Nano in Nature

“Nano” all around us Apparel with silver nanoparticles Tata Nano Baby gear

Things are different... Size really does matter! Bulk Nano

Bulk Nano Nanoparticles interact differently with light. Things are different... Size really does matter!

Depiction of a forest glass shop from Sir John Mandeville's Travels, Dated 1420 – British Library, London Nanotechnology in the Middle Ages

Why Do We Care? Nanotechnology can improve how we live!

Silver nanoparticles are used to kill bacteria in: Athletic apparel Socks Refrigerators Storage containers Washing machines Gold nanoshells can target and destroy cancer cells nm

“Printing” Nano-solar Panels

Cities could be Power Plants!

Carbon Nanotube Energy Transportation

Carbon Atoms Rearranged Carbon Nanotube Diamond Coal Graphite

But what about the risks?

Think Like a Nano Scientist!

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

1. A red blood cell is found on the nanoscale. 2. DNA is found on the nanoscale. True or False? TRUE! FALSE!

2. N anotechnology can effect the way we move and produce energy. 1. Things on the nanoscale can be found all around us in nature. True or False? TRUE!