Amos Winter has married a wheelchair with a mountain bike and a lever. Why would he do this, you ask? To serve the 40 million people worldwide who need a wheelchair but don’t have access to one — nor to the conveniences like elevators, ramps, sidewalk cutouts and bus lifts that make wheelchair use a […]
Featured topic: TED on Science
TED Weekends investigates why we judge others May 18, 2013
A virtual field trip to CERN, via Google Glass May 6, 2013
Sign up for TED email updates
New talks released daily. Be the first to know!