This high-tech scanner makes a stunning pattern on the face. Do you think this is a technology that will make us safer, or is this just another tool for big brother?

Michaela Rehle/Reuters
Jeska Stolle tests the three-dimensional (3D) face scanner used to register individual details of passengers at the SAC Siemens airport centre in Fuerth near Nuremberg on March 30, 2007. It represents the latest technology available from Siemens for all airports and official areas where interior security is required.