Details can be seen in Michael Knuepfel's thesis video: http://itp.nyu.edu/thesis/spring2011_archives/Extending%20the%20Touchscreen_Michael%20Knuepfel_0_Large.

Details can be seen in Michael Knuepfel's thesis video: http://itp.nyu.edu/thesis/spring2011_archives/Extending%20the%20Touchscreen_Michael%20Knuepfel_0_Large.mp4 http://itp.nyu.edu/thesis/spring2011_archives/Extending%20th... and the corresponding slides: http://itp.nyu.edu/thesis/spring2011_archives/Extending%20the%20Touchscreen_Michael%20Knuepfel_2_Large.mp4 http://itp.nyu.edu/thesis/spring2011_archives/Extending%20th...