Ultrasound Haptic Devices Can Project Tactile Shapes Into Thin Air

Researchers at the University of Tokyo have demonstrated a device that can create touchable, creepily invisible floating "objects" using focused ultrasound waves. Though the technology is in the early testing stages, its designers have already expressed an interest in weaponi- I mean, commercializing » 9/02/08 8:20pm 9/02/08 8:20pm it for possible…