Regina Dugan: From mach-20 glider to hummingbird drone

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http://www.ted.com “What would you attempt to do if you knew you could not fail?” asks Regina Dugan, then director of DARPA, the Defense Advanced Research Projects Agency. In this breathtaking talk she describes some of the extraordinary projects — a robotic hummingbird, a prosthetic arm controlled by thought, and, well, the internet — that her agency has created by not worrying that they might fail. (Followed by a Q&A with TED’s Chris Anderson)... Read More إقرأ المزيد | Share it now!

Donald Sadoway: The missing link to renewable energy

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http://www.ted.com What’s the key to using alternative energy, like solar and wind? Storage — so we can have power on tap even when the sun’s not out and the wind’s not blowing. In this accessible, inspiring talk, Donald Sadoway takes to the blackboard to show us the future of large-scale batteries that store renewable energy. As he says: “We need to think about the problem differently. We need to think big. We need to think cheap.”... Read More إقرأ المزيد | Share it now!