Mount Rushmore Gets a Virtual Backup — In Case It's Ever Destroyed

If invading Martians or raging Kryptonians ever destroy the faces of Mount Rushmore, at least we'll have a backup to work from. A team of Scottish scientists are teaming up with the American company CyArk to create a 3D model of the monument, which CyArk claims will be accurate within 3mm, in case archeologists ever… » 8/27/09 4:30pm 8/27/09 4:30pm