Image Fulgurator

This gun style camera projects messages on the objects of which people take pictures. It can not be seen by the naked eye, but is only visible on the pictures strangers take of the objects on the streets. The device is a camera triggered by the flash of other camera's. As soon as a flash is registered the fulgurator beams a projection on the object. Created the German artist Julius von Bismarck. It is The effect can be seen in the video.