Paraplegics and quadriplegics may soon enable themselves to become mobile using wheelchairs that they can maneuver easily by sniffing.
Thanks to Israeli scientists these low-tech wheelchairs will set the handicapped free.
One sniff to go forward, two sniffs to on reverse direction, one sniff out tells the wheelchair to go left, one sniff in to turn right. It's easy!
Watch it in action below.
Source: http://news.yahoo.com/video/science-15749654/sniff-to-steer-nose-aids-wheelchair-navigation-22564314