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Author Reducing your carbon footprint further...
Doug
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Registered: 8th Oct 03
User status: Offline
27th Jul 07 at 10:08   View User's Profile U2U Member Reply With Quote

When your screen is white - an empty word page, or the Google page, your computer consumes 74 watts, and when its black it consumes only 59 watts. Mark Ontkush wrote an article about the energy saving that would be achieved if Google had a black screen, taking in account the huge number of page views, according to his calculations, 750 mega watts/hour per year would be saved.

In a response to this article Google created a black version of its search engine, called Blackle, with the exact same functions as the white version, but with a lower energy consumption, check it out.

http://www.blackle.com/

Do you reckon thats true?
John
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Registered: 30th Jun 03
User status: Offline
27th Jul 07 at 10:11   View User's Profile U2U Member Reply With Quote

I've not read it yet but the backlight is always on on the screen anyway, unless its uses that much more to display a white pixel than a black pixel then I doubt it.
Dom
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Registered: 13th Sep 03
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27th Jul 07 at 10:21   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by John
I've not read it yet but the backlight is always on on the screen anyway, unless its uses that much more to display a white pixel than a black pixel then I doubt it.


This is only for CRT monitors where power consumption is higher depending on the brightness (ie: a white screen). On a LCD monitor, the backlight is continiously on and there is no difference in power consumption between a black and white pixel (a black pixel is the LCD blocking out the backlight).
Leighton
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Registered: 21st Feb 01
Location: Liverpool
User status: Offline
27th Jul 07 at 10:27   View Garage View User's Profile U2U Member Reply With Quote

Blackle was created by Heap Media to remind us all of the need to take small steps in our everyday lives to save energy

it was not done by Google
Steve
Premium Member

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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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27th Jul 07 at 10:27   View Garage View User's Profile U2U Member Reply With Quote

the website isnt created by google, its created by heap media, and it just links to a custom google search when you search
ed
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Registered: 10th Sep 03
User status: Offline
27th Jul 07 at 10:55   View User's Profile U2U Member Reply With Quote

Well done for copying and pasting the about page.
Bart
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Registered: 19th Aug 02
Location: Midsomer Norton, Bristol Avon
User status: Offline
27th Jul 07 at 11:19   View User's Profile U2U Member Reply With Quote

as posted, its google custom search, exactly the same as ive added into my Website.
dannymccann
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Registered: 9th Aug 06
Location: Doddington, Lincolnshire
User status: Offline
27th Jul 07 at 11:29   View User's Profile U2U Member Reply With Quote

whether its true or not, for me its harder to read light on dark background than it is dark on light background so i wont be using it

 
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