Your heart does not beat regularly, otherwise it would get tired! Instead of beating regularly, every beat is a little bit faster or slower as last beat. There is however, some kind of regularity in these chanching beats. The science of these changing beats is called "chaos theory" and belongs to mathematics. We at THINSIA develop a heart scanner to use these changing heart-beats to identify you as a unique human being. The scanner will be named HEARTBEAT-ID. One interesting thing is, that you c