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SEVERAL EXPENSIVE SPECIAL-EFFECTS FILMS--STEALTH, THE ISLAND--BOMBED THIS SUMMER. ARE AUDIENCES BECOMING JADED WHEN IT COMES TO COMPUTER-GENERATED IMAGERY? Technology is changing the way films are made and what people can do in telling a story, but it's still the basics: movies made by directors starring...
QUESTIONS AND ANSWERS Search engines are good at matching words across websites but have struggled with nuance to answer questions in everyday language. Google today can answer basic factual queries. The next step is semantic search--looking for meaning, not just matching key words. Oren Etzioni, a University of Washington...
PERSONALIZED One of the hottest and most controversial new areas is designing software that will get to know individuals' interests, mostly through their search history--the clickstream. Findory, a Seattle-based news-search site launched in January 2004, provides access to news stories and blogs. As you start searching for...
Or at least that's where things stood until recently. The past 18 months have brought a wave of advances in cardiac imaging, leading many doctors to wonder whether it's time to change the way they diagnose and treat heart disease. Leading the way are improvements in CT (for...
Meanwhile, no one has given up on more tried-and-true scanning techniques. According to the IMV Medical Information Division of Des Plaines, Ill., doctors perform annually at least 11.5 million echocardiograms, which use sound waves to produce pictures of the internal structures of the heart, and more than 9...