Tuesday, April 6, 2010

Search engines' dirty secret

Search engines' dirty secret - opinion - 06 April 2010 - New Scientist

"IT research firm Gartner estimates Google's data centres contain nearly a million servers, each drawing about 1 kilowatt of electricity. So every hour Google's engine burns through 1 million kilowatt-hours. Google serves up approximately 10 million search results per hour, so one search has the same energy cost as turning on a 100-watt light bulb for an hour."

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