An electric wheelchair that can climb most stairs, including spiral staircases, has been developed by Zurich-based students. The Scalevo Wheelchair can mount one stair per second and was designed by ...

The nation's first stair-climbing wheelchair hit the market with a bang but disappeared with a whimper, a casualty of price that raises a big question: How much will society agree to pay for high-tech ...

GAITHERSBURG, Md. (AP) -- A wheelchair that climbs stairs, shifts into four-wheel drive to scoot up hills and even raises occupants to standing height is a step closer to the U.S. market. Advisers to ...