BlindSpot: Smart cane concept looks to future

Grad student nabs second-place James Dyson Award for cane that integrates a mobile phone and uses ultrasonic technology to detect low-hanging objects from 5 to 6.5 feet away.<img src="http://feeds.feedburner.com/~r/cnet/tcoc/~4/nY-CKRM7Fjk" height="1" width="1"/> [More]