A concept of haptic feedback from holograms(slashie.org) |
A concept of haptic feedback from holograms(slashie.org) |
http://www.disneyresearch.com/project/aireal/
There was also a project at the University of Utah a couple of years ago that was using images of fingernails to detect finger forces (including direction) on any surface. http://www.cs.utah.edu/~jmh/Fingernail/