Nanotechnology

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A presentation for FLL in 2006

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  • Nanotechnology

    1. 1. Nanotechnology <ul><li>Thinking big about very very small things </li></ul><ul><li>Rudy Garns </li></ul><ul><li>Northern Kentucky University </li></ul>Garns | Nanotechnology
    2. 2. Scientists <ul><li>Scientists : empirical research and discovery of facts about nature </li></ul><ul><li>Philosophers: forecasting and evaluating the implications </li></ul><ul><li>Informed imagination </li></ul>
    3. 3. Scientists <ul><li>Scientists : empirical research and discovery of facts about nature </li></ul><ul><li>Philosophers: forecasting and evaluating the implications </li></ul><ul><li>Informed imagination </li></ul><ul><li>Use the scientific method </li></ul><ul><li>Use experiences to confirm hypotheses and theories </li></ul><ul><li>How do we explain natural phenomena? </li></ul>
    4. 4. Philosophers <ul><li>Scientists: empirical research and discovery of facts about nature </li></ul><ul><li>Philosophers : forecasting and evaluating the implications </li></ul><ul><li>Informed imagination </li></ul>
    5. 5. Philosophers <ul><li>Scientists: empirical research and discovery of facts about nature </li></ul><ul><li>Philosophers : forecasting and evaluating the implications </li></ul><ul><li>Informed imagination </li></ul><ul><li>Love of wisdom </li></ul><ul><li>Big Questions: What is knowledge? What is truth? What does it mean to exist? What does it mean to be right or wrong, good or bad? What does it mean to be beautiful? </li></ul>
    6. 6. Scientists and Philosophers <ul><li>Scientists : empirical research and discovery of facts about nature </li></ul><ul><li>Philosophers : forecasting and evaluating the implications </li></ul><ul><li>Informed imagination </li></ul>
    7. 7. How Tall Are You?
    8. 8. How Tall Are You? <ul><li>Someone who is five feet tall is </li></ul>
    9. 9. How Tall Are You? <ul><li>Someone who is five feet tall is </li></ul><ul><ul><li>.00095 miles tall (~1/1000) </li></ul></ul><ul><ul><li>1 mile = 5280 feet </li></ul></ul>
    10. 10. How Tall Are You? <ul><li>Someone who is five feet tall is </li></ul><ul><ul><li>.00095 miles tall (~1/1000) </li></ul></ul><ul><ul><li>1 mile = 5280 feet </li></ul></ul><ul><ul><li>1 light year = ~ 6 trillion miles </li></ul></ul><ul><ul><li>Proxima Centauri is ~4.2 light years away </li></ul></ul>
    11. 11. How Tall Are You? <ul><li>Someone who is five feet tall is </li></ul><ul><ul><li>.00095 miles tall (~1/1000) </li></ul></ul><ul><ul><li>1 mile = 5280 feet </li></ul></ul><ul><ul><li>.00000000000000016 light years tall </li></ul></ul><ul><ul><li>1 light year = ~ 6 trillion miles </li></ul></ul><ul><ul><li>Proxima Centauri is ~4.2 light years away </li></ul></ul>
    12. 12. Cells and DNA <ul><li>The average human body = ~10-100 trillion cells </li></ul><ul><li>Nearly every cell contains DNA; 4 nm wide and uncoiled ~2-3 m long </li></ul><ul><li>All DNA in all cells = ~70 trips to sun and back </li></ul>
    13. 13. Cells and DNA <ul><li>The average human body = ~10-100 trillion cells </li></ul><ul><li>Nearly every cell contains DNA; 4 nm wide and uncoiled ~2-3 m long </li></ul><ul><li>All DNA in all cells = ~70 trips to sun and back </li></ul>
    14. 14. Cells and DNA <ul><li>The average human body = ~10-100 trillion cells </li></ul><ul><li>Nearly every cell contains DNA; 4 nm wide and uncoiled ~2-3 m long </li></ul><ul><li>All DNA in all cells = ~70 trips to sun and back </li></ul>
    15. 15. Cells and DNA
    16. 16. If Legos Were the Size of Atoms <ul><li>The advantages of working at the nanoscale </li></ul><ul><ul><li>Greater control and flexibility building from the ground up </li></ul></ul><ul><ul><li>Special properties at the nanoscale </li></ul></ul>
    17. 17. If Legos Were the Size of Atoms <ul><li>Increase flexibility and control but ... </li></ul><ul><ul><li>How many would you need? </li></ul></ul><ul><ul><li>How would you see them? </li></ul></ul><ul><ul><li>How would you work with them? </li></ul></ul>
    18. 18. If Legos Were the Size of Atoms <ul><li>Increase flexibility and control but... </li></ul><ul><ul><li>How many would you need? </li></ul></ul><ul><ul><li>How would you see them? </li></ul></ul><ul><ul><li>How would you work with them? </li></ul></ul>
    19. 20. Atoms <ul><li>One strand of hair: </li></ul><ul><ul><li>80,000 nm wide </li></ul></ul><ul><ul><li>48,000,000,000,000,000,000 atoms </li></ul></ul>
    20. 21. Atoms <ul><li>One strand of hair: </li></ul><ul><ul><li>80,000 nm wide </li></ul></ul><ul><ul><li>48,000,000,000,000,000,000 atoms </li></ul></ul><ul><li>How could we see them? </li></ul>
    21. 22. Looking at the Nanoscale
    22. 23. Looking at the Nanoscale <ul><li>Scanning Tunneling Microscope </li></ul><ul><li>Atomic Force Microscope </li></ul>
    23. 24. Looking at the Nanoscale
    24. 25. Looking at the Nanoscale But how could we work with them?
    25. 26. Looking at the Nanoscale But how could we work with them? Clue : Our bodies/cells work with nanoscale molecules and atoms
    26. 28. Looking at the Nanoscale But how could we work with them? Clue : Our bodies/cells work with nanoscale molecules and atoms
    27. 29. Nano Factories
    28. 30. Nano Factories
    29. 32. Nano-motor
    30. 33. Nano-motor
    31. 35. Nanotubes <ul><li>Carbon nanotubes </li></ul><ul><ul><li>VERY strong </li></ul></ul><ul><ul><li>VERY light weight </li></ul></ul>
    32. 36. What Can Nanotechnology Do For Us? <ul><li>Cosmetics </li></ul><ul><li>Dentistry </li></ul><ul><li>Medicine/Health </li></ul><ul><li>Clothes </li></ul><ul><li>Cars </li></ul><ul><li>Smaller, faster, more powerful computers </li></ul><ul><li>Smart Materials </li></ul><ul><li>Paint </li></ul><ul><li>Cloth </li></ul><ul><li>Furniture </li></ul><ul><li>Military Equipment </li></ul>
    33. 37. Nanotechnology Today
    34. 38. Nanotechnology Tomorrow
    35. 39. Cosmetics: Hair <ul><li>Change your hair color </li></ul><ul><li>“Cure” baldness and remove unwanted hair </li></ul>
    36. 40. No More Dentist? <ul><li>Clean teeth </li></ul><ul><li>Freshen Breath </li></ul><ul><li>Prevent Gum disease </li></ul>
    37. 41. Biomedical
    38. 42. Biomedical Dendrimers carry chemicals to the brain through the blood-brain barrier
    39. 43. Biomedical Dendrimers carry chemicals to the brain through the blood-brain barrier
    40. 44. Biomedical Dendrimers carry chemicals to the brain through the blood-brain barrier
    41. 45. Nano Cars VW Nanospyder
    42. 46. Nano Cars Accura FCX 2020 Le Mans
    43. 47. Are There Dangers? <ul><li>What we don’t know </li></ul><ul><ul><li>Health risks </li></ul></ul><ul><ul><li>Environmental risks </li></ul></ul><ul><ul><li>Security/Privacy </li></ul></ul><ul><li>Self-replicators </li></ul><ul><ul><li>Gray goo </li></ul></ul>
    44. 48. Informed Imagination
    45. 49. Thank you.

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