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For Energy Savings, LEDs Outshine Solar Panels

Homeowners looking to save electricity costs should replace all their incandescent light bulbs with LED-based lights instead of installing a small solar photovoltaic system, a report by J.P. Morgan shows. Light-emitting diodes, or LEDs, will become mainstream over the next 12 months as improving technology and performance and higher subsidies lead to a rapid drop in costs, according to the report

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System Analysis and Programming

A note from the Editor in Chief: Scientific American is celebrating its 166th year. Given its history as the longest continuously published magazine in the U.S., it's probably no surprise that it has touched the lives and career paths of many readers--including the scientists who write articles for us and whose work we cover. So, as often happens, when I met Peter Norvig, director of research for Google, while we were serving as judges for the Google Science Fair , we got to chatting about Scientific American

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Apple Roundup: Totally New Macs, Cheap iPhone, iPhone 5 Parts And Dates, LTE iPhones Tested, Retina iPads In-Bound

August is traditionally a slow news month for tech, but with its revised iPhone launch schedule Apple's still turning up plenty of rumors--along with fascinating hints at future Macs. Entirely New Product Line Japanese Mac site Macotakara is predicting Apple's got something surprising up its sleeve for the end of 2011: A completely new Mac product.

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Hubble Telescope Successor Could Get a Financial Lifeline

From Nature magazine The James Webb Space Telescope (JWST) is perilously overbudget and under threat of cancellation, but Naturehas learned that it may be offered a financial lifeline. The flagship observatory is currently funded entirely through NASA's science division; now NASA is requesting that more than US$1 billion in extra costs be shared 50:50 with the rest of the agency. The request reflects administrator Charles Bolden's view, expressed earlier this month, that the telescope is a priority not only for the science programme, but for the entire agency.

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