The Week in Photos: TechFest, friendly robots

	View online	February 27, 2009

	This week's top photo galleries 1. Tinkering around at TechFest 2009 Microsoft's internal science fair shows employees (and press) what the company's research teams are working on in their labs. 2. Old plus new equals zero in Green U.K. home Carbon-zero house uses ancient architecture with new-age tech to build thermal mass, supply electricity, and heating. 3. Robots get friendly with humans At London's Science Museum, robots named Berti and Erwin show how, with the wave of a hand or a smiling countenance, they can mingle with people. 4. How to use your AV receiver's automatic speaker calibration You might think your receiver's auto speaker setup and calibration are a no-brainer affair, but it's not. This how-to slideshow is loaded with tips to help improve your sound. 5. The Bartz gang--a breakdown of Yahoo's reorg Who holds the power in Carol Bartz's revamped Yahoo management structure? Here's who reports to her after Wednesday's reorganization. 6. No-go for NASA on CO2 satellite About half of the carbon absorbed out of the atmosphere can't be located precisely. The Orbiting Carbon Observatory was supposed to help provide answers, but it failed at launch. More from CNET News.com:  Latest image galleries:  Get more news:  Green Tech:  Business Tech:  Cutting Edge:  Wireless:  Security:  Media:  Crave:
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