Robotic Wheelchair Uses Lasers to Dock Like a Spaceship

A robotic wheelchair that loads itself into its owner's car using the same principles as a spaceship does when docking, has been developed by a team from Pennsylvania. An on-board computer uses LIDAR, or light detecting and ranging, to position the chair when it is loaded into a vehicle—exactly the same technique… » 4/30/08 12:30pm 4/30/08 12:30pm