Monthly Archives: December 2011

10 Facts about Portable Electronics and Airplanes

Via Scientific American Blog Network. Here are the first three: 1. Radio-frequency emissions from cell phones, laptops and other electronics can occur at the same frequencies used by aircraft communication, navigation and surveillance radio receivers. These emissions could cause fluctuations … Continue reading

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Market returns by month

Via Enguyen at R news & tutorial. Bookmark on Delicious Digg this post Recommend on Facebook Share on Linkedin share via Reddit Share with Stumblers Tweet about it Tell a friend

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