Click to viewPico is a computer interface that can move electromagnetic pucks, merging the digital and physical worlds. In this video from earlier this year, see how researcher James Patten has used his unique combination of projection, magnets and computing to help visualize problems such as determining the best place to put a group of cellphone network transmission towers. Imagine the games you could play with this thing! [James Patten]
RUSHEVENTS is right. Last year a bar opened where the entire serving area on the bar was projected on from underneath and touch sensetive. When you placed drinks on it, the bar lit up underneath and linked (like in this picture but cooler effects) to other objects. There ws a video of a barman sliding a drink a long and it reached out to other objects as it passed.
Who needs magnets!