never seen befoore
The EyeWriter project is an ongoing collaborative research effort to empower people who are suffering from ALS with creative technologies.
It is a low-cost eye-tracking apparatus & custom software that allows graffiti writers and artists with paralysis resulting from Amyotrophic lateral sclerosis to draw using only their eyes.
Check the stuff out at http://www.eyewriter.org/
And b.t.w, GRAFFITI RESEARCH LAB, worth a visit!
One of the best stencilmaker in the world. According to me.
check his website at www.loganhicks.com