One day in the future, your bathtub could become a spectacular arcade that lets you play video games by splashing your hands around.
A projection system called AquaTop uses water as an interactive display, allowing users' limbs to freely move through, under, and over the projection surface for a more immersive experience.
The prototype setup, created by a team of engineers from Tokyo's University of Electro-Communications, projects games, movies, and photos (or, presumably, e-mail and spreadsheets, but they're not as much fun) onto a liquid surface made cloudy with an opaque powder. A Microsoft Kinect depth sensor detects motions from above and beneath. … Read more