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 […]
Remembering Robin Williams August 11, 2014
100 Websites You Should Know and Use (updated!) August 3, 2007
5 examples of how the languages we speak can affect the way we think February 19, 2013
Remembering Steve Jobs October 5, 2011
Sign up for TED email updates
New talks released daily. Be the first to know!