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After re-purposing CAPTCHA so each human-typed response helps digitize books, Luis von Ahn wondered how else to use small contributions by many on the Internet for greater good. At TEDxCMU, he shares how his ambitious...
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Ramesh Raskar presents femto-photography, a new type of imaging so fast it visualizes the world one trillion frames per second, so detailed it shows light itself in motion. This technology may someday be used to build...
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At TEDIndia, Pranav Mistry demos several tools that help the physical world interact with the world of data -- including a deep look at his SixthSense device and a new, paradigm-shifting paper "laptop." In an onstage ...
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Quantum computing already exists, but on a truly minuscule scale. We'll probably have molecular computers before true quantum ones, says the physicist.
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Introduction to Modern Cryptography, Using Cryptography in Practice and at Google, Proofs of Security and Security Definitions and A Special Topic in Cryptography.
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Dr. Paul Debevec, University of Southern California Institute for Creative Technologies Paul Debevec is the associate director of graphics research at USC's Institute for Creative Technologies (USC ICT) and a research...
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University of California at Berkeley has long been a hotbed of research on AI.
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Bill Gates hopes to solve some of the world's biggest problems using a new kind of philanthropy. In a passionate and, yes, funny 18 minutes, he asks us to consider two big questions and how we might answer them.
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Manuel Lima, senior UX design lead at Microsoft Bing, explores the power of network visualisation to help navigate our complex modern world.
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Using sleight-of-hand techniques and charming storytelling, illusionist Marco Tempest brings a jaunty stick figure to life onstage at TEDGlobal.