<p id="tagline">What could you do with the world's smallest 3D printer? At TEDxVienna Klaus Stadlmann demos his tiny, affordable printer that could someday make customized hearing aids -- or sculptures smaller than a human hair.</p>

Amy Purdy became a professional snowboarder despite losing both her legs to meningitis. She encourages us to take control of our lives, and our limits.

<p id="tagline">At his Stanford University commencement speech, Steve Jobs, CEO and co-founder of Apple and Pixar, urges us to pursue our dreams and see the opportunities in life's setbacks -- including death itself.</p>

Writer and designer Graham Hill asks: Can having less stuff, in less room, lead to more happiness? He makes the case for taking up less space, and lays out three rules for editing your life.

After years of research on touch-driven computer displays, Jeff Han has created a simple, multi-touch, multi-user screen interface that just might herald the end of the point-and-click era.

<p id="tagline">Every new invention changes the world -- in ways both intentional and unexpected. Historian Edward Tenner tells stories that illustrate the under-appreciated gap between our ability to innovate and our ability to foresee the consequences.</p>

Plenty of robots can fly -- but none can fly like a real bird. That is, until Markus Fischer and his team at Festo built SmartBird, a large, lightweight robot, modeled on a seagull, that flies by flapping its wings.

In this TED archive video from 1998, paralympic sprinter Aimee Mullins talks about her record-setting career as a runner, and about the amazing carbon-fiber prosthetic legs (then a prototype) that helped her cross the finish line.

JD Schramm who teaches future business leaders both the theoretical and practical aspects of communication talks about creating resources for people who have attempted suicide to seek help.

<p>One of the world's foremost expert in life and business coaching, Tony Robbins, gives a power-packed excerpt on what motivates us and causes us to behave and act in a certain way.</p>

John Wooden, ranked by ESPN as one of the greatest basketball coaches of all time, shares his advice on success and encourages us to be our best.

At age 14, in poverty and famine, a Malawian boy built a windmill to power his family's home. Now at 22, William Kamkwamba, who speaks at TED, here, for the second time, shares in his own words the moving tale of invention that changed his life.

Ric Elias had a front-row seat on Flight 1549, the plane that crash-landed in the Hudson River in New York in January 2009. What went through his mind as the doomed plane went down? At TED, he tells his story publicly for the first time.

John Hunter puts all the problems of the world on a 4'x5' plywood board -- and lets his 4th-graders solve them. At TED2011, he explains how his World Peace Game engages schoolkids, and why the complex lessons it teaches -- spontaneous, and always surprising -- go further than classroom lectures can.

Brene Brown studies human connection -- our ability to empathize, belong, love. In a poignant, funny talk at TEDxHouston, she shares a deep insight from her research, one that sent her on a personal quest to know herself as well as to understand humanity. A talk to share.