Jeff Han a research scientist for New York University’s Courant Institute of Mathematical Sciences, for the first time publicly — his intuitive, “interface-free,” touch-driven computer screen, which can be manipulated intuitively with the fingertips, and responds to varying levels of pressure.

Jeff Han on TED Talks

http://ted.com/tedtalks/tedtalksplayer.cfm?key=j_han&flashEnabled=1