ScienceDaily: Information Technology News |
- Optimizing optimization algorithms: Getting best results when approximating solutions to complex engineering problems
- Twitter can predict rates of coronary heart disease, according to research
- Smart keyboard cleans and powers itself, and can tell who you are
| Posted: 21 Jan 2015 12:55 PM PST Optimization algorithms, which try to find the minimum values of mathematical functions, are everywhere in engineering. Among other things, they're used to evaluate design tradeoffs, to assess control systems, and to find patterns in data. Scientists have come up with a way to generate a sequence of simplified functions that guarantees the best approximation that the method can offer. |
| Twitter can predict rates of coronary heart disease, according to research Posted: 21 Jan 2015 08:49 AM PST Twitter has broken news stories, launched and ended careers, started social movements and toppled governments, all by being an easy, direct and immediate way for people to share what's on their minds. Researchers have now shown that the social media platform has another use: Twitter can serve as a dashboard indicator of a community's psychological well being and can predict rates of heart disease. |
| Smart keyboard cleans and powers itself, and can tell who you are Posted: 21 Jan 2015 07:32 AM PST In a novel twist in cybersecurity, scientists have developed a self-cleaning, self-powered smart keyboard that can identify computer users by the way they type. The device could help prevent unauthorized users from gaining direct access to computers. |
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