These
images show how small things are...
![](Howsmall3.jpg)
![](sizesofthings.jpg)
�NSF
official definition:
�Nanoscience
and nanotechnology
deal with materials and systems having the following key
properties :
=Dimension:
At least one dimension from 1 to 100 nanometer (nm)
=Process:
Designed with methodologies that shows fundamental control
over the physical and chemical attributes of molecular-scale
structures
=Building
block property:
They can be combined to form larger structures
![](NanoHo1.gif)
SET: single-electron transistor
GMR: Giant magneto resistive
Q-DOTS: Quantum dots
![](eandmwaves.jpg) ![](spectrum.jpg)
And, how big
self-assembly of small things can lead to: A Triumph in
Nanotechnology
![](Triumph.jpg)
Triumph:
It is what happens when 10,000 hours of training meet with one
moment of opportunity
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![](HowSmall_Nanotech1.PNG)
![](HowSmall_Nanotech2.PNG)
![](Virus,%20Plankton,%20etc%20Chehroudi.JPG)
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