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How 3-D ultrasound works.
Software based on rules, examples, or statistics seeks to erase language barriers. It's far from perfect, but sometimes close is good enough.
How to turn garbage into fuel.
The mission to improve the widely used simplex-method algorithm showed instead why it works so well.
How fingerprinting made its mark.
Technology makers are tamperproofing products to make them secure and prevent pirating-and are stifling innovation in the process.
A judge's decision undermines researchers' seminal painkiller work.
Hobbyists play a critical role in the design and diffusion of technology.
Voice recognition that finally holds up its end of a conversation is revolutionizing customer service. Now the goal is to make natural language the way to find any type of information, anywhere.