This is an amazing piece of work and reminds me of the mult-function terminals in Star Trek NG and a bit like the Minority Report user interface (except no gloves). Information week describes the device.

At the O’Reilly Emerging Technology (ETech) conference in San Diego Tuesday, Jeff Han, a consulting research scientist at New York University’s Department of Computer Science, demonstrated a multi-touch system that he insists “will change the way people interact with computers.”

(update 2015 – replace video)