forbes.com: Imagine an iPhone for a giant: Jeff Han, a research scientist, has built an amazing interactive touch-screen wall, eight feet wide and three feet high. Any number of people standing in front of it can put their hands on the screen and “paint,” or pull up satellite maps and zoom in on different locations, open and collapse multiple windows of Web video.

Han’s demo was one of a breathtaking array of ideas and technology on exhibition two weeks ago at an invitation-only science fair salon called “Gadgetoff,” held at the Liberty Science Center in New Jersey, just across the Hudson River from Manhattan. [ read more ]