An example of "tangible interaction" is pressing this checkbox in this video: https://www.youtube.com/watch?t=100&v=AoWi10YVmfE https://www.youtube.com/watch?t

An example of "tangible interaction" is pressing this checkbox in this video: https://www.youtube.com/watch?t=100&v=AoWi10YVmfE https://www.youtube.com/watch?t=100&v=AoWi10YVmfE In terms of what the projection feels like, this article explains that to some people the laser feels like sandpaper, and to some people it feels like a static shock: http://www.popsci.com/secret-interactive-holograms-plasma-and-femtosecond-laser?dom=fb&src=SOC http://www.popsci.com/secret-interactive-holograms-plasma-an...