Successfully reported this slideshow.
2009 ASEE Annual Conference and Exposition <br />Development of a Nanoscale Virtual Environment Haptic Interface for Teach...
2<br />2009 ASEE Annual Conference and Exposition <br />2<br />Outline of Presentation<br />What is haptics?<br />Motivati...
3<br />Traditional Teaching of Abstract Science and Nanotechnology<br />2009 ASEE Annual Conference and Exposition <br />T...
rely on 2-D diagrams or display
 poor engagement of students
 difficult to conceptualize
 more difficult for visually impaired</li></ul>material<br />structure<br />atomic <br />structure<br />New methods needed...
4<br />What is haptics?<br />2009 ASEE Annual Conference and Exposition <br />The combination of:<br />Perception of force...
5<br />Why Nanotechnology, Why Haptics?<br />2009 ASEE Annual Conference and Exposition <br />Governments, educators and r...
6<br />2009 ASEE Annual Conference and Exposition <br />Virtual Reality System with Haptics<br /><ul><li>for a wide range ...
include individuals who are blind or visually impaired, sonification</li></ul>6<br />
7<br />2009 ASEE Annual Conference and Exposition <br />State-of-the-art in Haptics<br />Haptics<br /><ul><li>training
Upcoming SlideShare
Loading in …5
×

Teaching Nanotechnology Using Haptics

2,072 views

Published on

2009 ASEE Conference Presentation

Published in: Education, Technology
  • Be the first to comment

  • Be the first to like this

Teaching Nanotechnology Using Haptics

  1. 1. 2009 ASEE Annual Conference and Exposition <br />Development of a Nanoscale Virtual Environment Haptic Interface for Teaching Nanotechnology to Individuals who are Visually Impaired<br />Dianne Pawluk1, Curtis Taylor2, Marcia Hoffman1 and Maria McClintock1<br />1Dept. of Biomedical Engineering, Virginia Commonwealth University<br />2Dept.of Mechanical and Aerospace Engineering, University of Florida<br />VCU<br />With support from the National Science Foundation<br />
  2. 2. 2<br />2009 ASEE Annual Conference and Exposition <br />2<br />Outline of Presentation<br />What is haptics?<br />Motivation for using haptics to teach nanotechnology<br />Background<br />Learning Modules<br />Preliminary Results<br />Future Plans<br />
  3. 3. 3<br />Traditional Teaching of Abstract Science and Nanotechnology<br />2009 ASEE Annual Conference and Exposition <br />Traditional methods of teaching<br /><ul><li>lectures
  4. 4. rely on 2-D diagrams or display
  5. 5. poor engagement of students
  6. 6. difficult to conceptualize
  7. 7. more difficult for visually impaired</li></ul>material<br />structure<br />atomic <br />structure<br />New methods needed to increase engagement and perception<br />molecular <br />machine<br />3<br />
  8. 8. 4<br />What is haptics?<br />2009 ASEE Annual Conference and Exposition <br />The combination of:<br />Perception of forces and position<br />Sense of touch<br />4<br />
  9. 9. 5<br />Why Nanotechnology, Why Haptics?<br />2009 ASEE Annual Conference and Exposition <br />Governments, educators and researchers<br />Future demand for employees<br />Diversity<br />educate, attract<br />Students who are blind or visually impaired<br />No one can see what goes on at the nanoscale<br />Pictures are not very intuitive in describing forces<br />inclusiveness, opportunity<br />Sighted students<br />Considerable portion haptic learners<br />engaged, interest<br />The first atomic force microscope<br />5<br />
  10. 10. 6<br />2009 ASEE Annual Conference and Exposition <br />Virtual Reality System with Haptics<br /><ul><li>for a wide range of ages, compare to something familiar
  11. 11. include individuals who are blind or visually impaired, sonification</li></ul>6<br />
  12. 12. 7<br />2009 ASEE Annual Conference and Exposition <br />State-of-the-art in Haptics<br />Haptics<br /><ul><li>training
  13. 13. surgery, flying aircraft, etc.
  14. 14. tele-nanomanipulation
  15. 15. teaching</li></ul>Phantom (&gt; $10,000)<br />SideWinder (&lt; $50)<br />Novint Falcon <br /><ul><li>affordableforce feedback device, with position information
  16. 16. easily replicated in a classroom
  17. 17. allows for interactive, multi-sensory exploration of nanoscale concepts for sighted and visually impaired</li></ul>Novint Falcon (&lt; $200)<br />7<br />
  18. 18. 8<br />2009 ASEE Annual Conference and Exposition <br />What are the big ideas in nanotechnology?<br />1. Size and Scale<br />2. Dominant Forces<br />3. Structure of matter<br />4. Instrumentation<br />5. Nanomachines<br />6. Nanoscale Fabrication<br />Science<br />Engineering<br />8<br />
  19. 19. 9<br />Module 1: Size and Scale<br />2009 ASEE Annual Conference and Exposition <br />Understanding of size continuum helps understand matter and materials<br />Idea: controllably “zoom in” on objects that are familiar<br />Implementation<br />represent objects at different scales by gray-scale images<br />intensity = height<br />graphics<br />triangular tesselation in openGL<br />Haptics<br />F = kvirtual* dpenetration<br />9<br />
  20. 20. 10<br />Module 2: Dominant Forces<br />2009 ASEE Annual Conference and Exposition <br />Properties of matter change with scale<br />Macroscale<br /><ul><li> gravity
  21. 21. inertia</li></ul>Nanoscale<br /><ul><li> van der Waal
  22. 22. adhesion forces (electrostatic, capillary, etc.)</li></ul>force<br />10<br />
  23. 23. Preliminary ResultsFor Teaching Nanoscale Science and Engineering<br />Touching Atoms<br />Interactive Nanofabrication<br />Understanding Atomic Potentials<br />Falcon Force-Feedback Controller<br />
  24. 24. 12<br />Conclusion<br />2009 ASEE Annual Conference and Exposition <br /><ul><li> Developed new haptic-based, interactive simulations to teach abstract science and nanotechnology concepts
  25. 25. Developed learning modules to teach concepts of
  26. 26. size and scale
  27. 27. dominant forces
  28. 28. Demonstrated to prototype to elementary school, undergraduate and graduate students
  29. 29. extremely positive reaction
  30. 30. Will validate using:
  31. 31. cognitive measures
  32. 32. affective measures
  33. 33. compare to: vision alone and traditional methods </li></ul>12<br />

×