Tokyo-based Keio University has developed a cool optical camouflage system that can make a person invisible – almost, at least. The technology was showcased during the Digital Content Expo 2008 in Tokyo.

All the person who wants to be “invisible” has to do is to wear a recursive reflective coat. The problem is just that the effect is only possible if the person in question is seen through a camera.

Still, Keio’s Inami Laboratory of the Graduate School of Media Design says their technology can serve a purpose. For example, users can mount a camera outside their cars, project the recorded video from the environment into the (coated) inside of the vehicles, making it easier and safer to drive backwards, i.e. when parking.