A blind person's walking stick may soon make the leap into hi-tech by integrating sensors and tactile feedback. The Smart Wand by Jin Woo Han is pretty small and ergonomically fits in one's hand. If there is an obstacle in the way, the surface of device can actually raise small bumps to alert the person.
via Tuvie
Neat idea - but how will this alert the person as to steps or other bumps in the walking path?
Instuitive? Must have been typed by a blind person.
how far does it can sense