Published by: Kahena (Karma: 11524.33) on 25 September 2010 | Views: 2277
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In this exclusive online issue, Scientific American editor Mark Fischetti explains the inner workings of 20 commonly used technologies. Learn how noise-cancelling headphones silence unwanted background noise and how digital cameras overcome shaky hands. Discover how crude oil is refined and how cochlear implants enable hearing. You’ll also find out how radar guns spot speeders, how air traffic control systems minimize accidents in the sky, and how medical patches enable continuous drug delivery.
