SHINE: S eattle’s H ub for I ndustry-driven N anotechnology E ducation North Seattle College Train the NanoTeacher Workshop July 16, 2014 NanoDemos 1.

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SHINE: S eattle’s H ub for I ndustry-driven N anotechnology E ducation North Seattle College Train the NanoTeacher Workshop July 16, 2014 NanoDemos 1

Nanotechnology The understanding and control of matter between approximately 1 and 100 nanometers Gold atom is about.33 nanometers Unusual physical, chemical, and biological properties can emerge at the nanoscale SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 2

Property Changes Short demonstrations that show nanoscale properties ◦ Different forces are stronger  F = m * a ◦ More reactive ◦ Absorb/Reflect light differently (color change) ◦ Increase in  Perform under extreme temperatures  Insulation  Strength  Conductivity SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 3

Increased Surface Area 1cm.5cm.5cm = SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 4

Ferrofluid Nanoparticles of magnetite Colloid Solution Evenly suspended particles in the carrier fluid Superparamagnetic Only Magnetic is presence of a magnet SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 5

Magnetic Field Visible reaction to the magnetic field Does not spike with the side of the magnet SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 6 Source: Ferrotec

Ferrofluid Applications Dampen vibrations in loud speakers Heat sink Seals of rotating shafts and computers MRI and cancer detection Experimentation in targeted drug delivery SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 7

Magic Sand Hydrophobic properties found in nature Nasturtium, kale, and lotus leaves Extended to a number of products Car Wax Clothing Paint SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 8 Source: Wikimedia

Thin Films Demonstrate how changing the scale changes properties Interfering wave lengths produce different colors SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 9 Source: Causes of Color

Thin Films Butterfly, beetles, and other insects Oil Slicks Bubbles Two way mirrors SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 10 Source: Brooklyn Children's Museum Source: SciTech Daily

Memory Wire Alloys and polymers Bend the materials ◦ Change crystal structure Materials return to original shape or crystal structure under the right conditions ◦ Temperature ◦ Wavelengths of Light SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 11

Shape Memory Applications Medical devices such as self stitching stitches and braces Airplanes – helps reduce turbulence Glasses frames Silly Bands SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 12

Liquid Crystals Behave like a liquid and a crystal ◦ Flow like a liquid ◦ Can align like a solid crystal Thermotropic ◦ Heat causes the liquid crystals to align differently ◦ Birefringence – light waves are out of sink similar to the thin films SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education 13 Source: H.W. Sands Corp

Liquid Crystals Liquid Crystal Displays ◦ TV, cell phone screens, computers, clocks Optical Imaging Thermometers This material is based upon work supported by the National Science Foundation under Grant Number Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. 14 Source: Televisions.com Source: Nanodic.com

References Slide 6Ferrofluid Display Cell. [Online image]. 10 July Slide 8Hydrophobic sand. [Online image]. 10 July Slide 9Interference of Light Beams. [Online image]. 10 July Slide 10Bubbles. [Online image]. 10 July Slide 10Butterfly. [Online image]. 10 July Slide 13Liquid Crystal Handprint. [Online image]. 10 July Slide 14Liquid Crystal Display TV. [Online image]. 10 July Slide 14Liquid Crystal Alignment. [Online image]. 10 July This material is based upon work supported by the National Science Foundation under Grant Number Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.