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Cutting it down to size activity

Cutting it down to size activity. What is Nanoscience?. The study of matter on the “ nanometer ” scale. A nanometer is one billionth (10 –9 ) of a meter. Nanoparticles are usually between 1 and 100 nanometers in size: 1 – 100 nm. Penny 2 cm. Red Blood Cell 5 m m. Hair 100 m m.

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Cutting it down to size activity

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  1. Cutting it down to size activity

  2. What is Nanoscience? The study of matter on the “nanometer” scale. A nanometer is one billionth (10–9) of a meter. Nanoparticles are usually between 1 and 100 nanometers in size: 1 – 100 nm.

  3. Penny 2 cm Red Blood Cell 5 mm Hair 100 mm (m) 10-2 10-3 10-4 10-5 10-6 10-7 10-8 10-9 cm mm mm nm Raindrop 1 mm

  4. Calculating the number of molecules along the edge of a sugar cube activity

  5. Measuring the diameter of a human hair activity

  6. Soft Body Armor Toward the Nano-Effect Gale A. Holmes National Institute of Standards & Technology Materials Measurement Laboratory Material Measurement Laboratory

  7. Soft Body Armor: Primary Functions • Stop Projectile Motion – Trampoline Effect • Minimize Energy Dissipation of Impacting Projectile –Back Face Signature Material Measurement Laboratory

  8. Effects of the Shear Thickening Fluid (STF) on the body armor application Kolsky bar Silica particles, 55-65 Vol.% in PEG Tensile machine Wedge through phenomenon 100 101 103 102 Material Measurement Laboratory

  9. SEM Micrographs of Woven Fabrics with Shear Thickening Fluid (STF) Material Measurement Laboratory

  10. Effects of the Shear Thickening Fluid (STF) on Back Face Deformation Material Measurement Laboratory

  11. Coffee cup AFM • Magnetic force microscope

  12. Atomic Force Microscopy (AFM) How an atomic force microscope “see” atoms

  13. Scanning Tunneling Microscopy (STM) An STM image of nanoparticles. Nano-corral of 48 iron atoms on copper surface positioned one at a time with an STM tip Corral diameter 14 nm

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