Simplicity: We know it when we see it — but what is it, exactly? In this funny, philosophical talk, George Whitesides chisels out an answer.
Stephen Wolfram, creator of Mathematica, talks about his quest to make all knowledge computational — able to be searched, processed and manipulated. His new search engine, Wolfram Alpha, has no lesser goal than to model and explain the physics underlying the universe.
Drugs alone can’t stop disease in sub-Saharan Africa: We need diagnostic tools to match. TED Senior Fellow Frederick Balagadde shows how we can multiply the power and availability of an unwieldy, expensive diagnostic lab — by miniaturizing it to the size of a chip.
Vaccine-autism claims, “Frankenfood” bans, the herbal cure craze: All point to the public’s growing fear (and, often, outright denial) of science and reason, says Michael Specter. He warns the trend spells disaster for human progress.
Meet seven all-terrain robots — like the humanoid, soccer-playing DARwIn and the cliff-gripping CLIMBeR — built by Dennis Hong’s robotics team at RoMeLa, based at Virginia Tech. Watch to the end for the five creative secrets to his lab’s success.
Soldiers who’ve lost limbs in service face a daily struggle unimaginable to most of us. At TEDMED, Dean Kamen talks about the profound people and stories that motivated his work to give parts of their lives back with his design for a remarkable prosthetic arm.