Fig. 1From: An expression of uncertainty and its application to positioning: a quality-metric and optimal ranges for the identification of cells with RFIDRFID tag implantations in the right hand. People can already receive a mark on their right hand by means of an RFID tag implanted in it (red mark). Picture originally published under CCAL 3.0 at http://en.wikipedia.org/wiki/Hand.Back to article page