Tuesday, August 07, 2007

Saving Our Planet while Googling

One australian web company has lanched a search engine that is exactly comparable to google. Its names is Blackle (www.blackle.com).

The results it gives are axactly what google can provides. The only difference and the unique idea is that it is on a BLACK background. And according to the original blog, it helps to save 750 Megawatt hours annually.

The blog said: "As noted, an all white web page uses about 74 watts to display, while an all black page uses only 59 watts. I thought I would do a little math and see what could be saved by moving a high volume site to the black format.

Take at look at Google, who gets about 200 million queries a day. Let's assume each query is displayed for about 10 seconds; that means Google is running for about 550,000 hours every day on some desktop. Assuming that users run Google in full screen mode, the shift to a black background will save a total of 15 (74-59) watts. That turns into a global savings of 8.3 Megawatt-hours per day, or about 3000 Megawatt-hours a year. Now take into account that about 25 percent of the monitors in the world are CRTs, and at 10 cents a kilowatt-hour, that's $75,000, a goodly amount of energy and dollars for changing a few color codes.".

Actually, it uses Google Custom Search to build its system. So, please save the planet by switching to Blackle.

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