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. http://video.ted.com/assets/player/swf/EmbedPlayer.swf http://www.facebook.com/home.php#!/OfficialWolframAlpha?ref=ts Courtesy TED