Buy lunch, pay with your hand: Vein scanning technique

Paying for a coffee or lunch by simply scanning your palm still sounds like science fiction to most of us. However, an engineering student in Sweden has made it happen -- making his the first known company in the world to install the vein scanning technique in stores and coffee shops.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/u...