The nerve disease ALS left graffiti artist TEMPT paralyzed from head to toe, forced to communicate blink by blink. In a remarkable talk at TEDActive, entrepreneur Mick Ebeling shares how he and a team of collaborators built an open-source invention that gave the artist -- and gives others in his circumstance -- the means to make art again. http://www.ted.com/talks/mick_ebeling_the_invention_that_unlocked_a_locked_in_artist.html
