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Nano Science & Squishy Gels: Research in MEMS by Mr. Oliver & Mr. Cates

Explore the world of nano science through squishy gels and MEMS research presented by Mr. Mark Oliver and Mr. Ryan Cates. Discover clean room operations, Piranha cleaning, and the fascinating nano technology behind nano-sized molds. Learn about hydrogels, suspensions, and colloids in this cutting-edge scientific journey.

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Nano Science & Squishy Gels: Research in MEMS by Mr. Oliver & Mr. Cates

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  1. Squishy Soapy Jello Gels in Nano Size Molds Research Work Presented by: Mr. Mark Oliver Mr. Ryan Cates

  2. Mr. Oliver’s Science Meddlings • MEMS (Micro Electro Mechanical Systems • Clean Room Operations • Piranha Cleaning “Squeaky Cleaning” • Photo lithography “Mold Making” • Interest in Nano Technology • Nano for Noobies web page • Nano science behind kale, etc.. • Nano paws of geckos • Nano-Tex Textiles

  3. MEMS • Micro –Small • Electro –Electronics • Mechanical – Machinery • Systems –Groups of Machinery • “Small groups of electrically powered machinery”

  4. Making MEMS in a clean room • Cleaning Wafers (Si not Nabisco) • Piranha – Hydrogen Peroxide and Sulfuric Acid • Really strong washing solution that will remove dirt and oil from very small holes in the surface of Silicon. • Regular soap or solvents can’t do this!

  5. Making MEMS in a clean room • Photolithograpy • Photo – Light • Lithography – Excavating (Trenching) • The used of light and chemical bathes to create molds, trenches or structures on Si wafers.

  6. Final Products

  7. Nanomaterial • Nano – 10-9 meters (1/1,000,000 Millimeter) • Example: • NanoTex • Titanium Nano particles in the thread • Microbes can’t survive on Ti • You can wear this shirt for long times without bathing and smelling!

  8. Nano-Animals • Gecko from Geico

  9. Nano-Plants • Lotus, Kale, Cabbage, etc… • These are self cleaning plants! • BuhGillions of small Nanosized hairs • These hairs make the surface of the plant hydrophobic (Water Fearing)

  10. Ryan’s Squishy Science Research • Gels • Hydrogels • Suspensions • Colloids • Smart Materials • Solubility changing polymers

  11. Ryan’s Squishy Gel Research • Hydrogels • Hydro- water • Gel- suspension medium • Like a rubbery maze that traps water (like Jell-O!) Can be soft and weak or hard and tough

  12. Ryan’s Squishy Gel Research • Suspensions • Heterogenous Fluids containing solids • Example: • Milk • Mud, clay, silt • Paint • Dust in air

  13. Ryan’s Squishy Gel Research • Colloids • chemical mixture where one substance is dispersed evenly throughout another • Example: • Shaving Cream • Milk

  14. Ryan’s Squeaky Clean Research • Soaps (aka surfactants or amphiphiles) • Lower the surface tension of a liquid • Contain a “Water Loving” and “Water Fearing” end • Attach to dirt and water • This is why its important to dry your hands

  15. Final Products

  16. Worksheets • If you finish your worksheet early • Computer Games

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