[NetBehaviour] Fwd: Re: Fwd: BLACKLE

[Helen Varley Jamieson]

phew, looks like we can all save our eyes & make no difference to the 
planet as long as we're using lcd screens : )

>i've read around a little about energy consumption, screens and colour.
>
>contrary to my superstitions it looks like LCD's shouldn't actually be
>considered in the equation after all. this really only applies to CRT
>displays.
>
>LCD's have a back-light that is continuously on. a 'black' pixel is
>merely just a crystal turned such that it blocks light from the
>backlight. for this reason it should make no difference whether a pixel
>is black or white.
>
>some people are reporting small reductions in power useage on LCD
>displays but most notice no change.
>
>i thought that there might be some sort of load calibration done as a
>result of whether a crystal blocks light or let's it through but apparently
>that is a design for LCD's not yet in the market.
>
>to summarise:
>
>   if you're using a CRT you shouldn't be.
>
>   LCD users can dress in white.
>
>some links:
>
> 
>http://ecoiron.blogspot.com/2007/01/black-google-would-save-3000-megawatts.html
>
>   http://www.risingphoenixdesign.com/blackback.html
>
>julian
>
>--
>http://julianoliver.com
>http://selectparks.net
>emails containing HTML will not be read.
>
>
>..on or around Tue, Jul 24, 2007 at 09:51:26AM +1000, Helen Varley 
>Jamieson said:
>>  >>Folks,
>>  >>
>>  >>We probably all use google several times a day - here's something
>>  >>to consider:
>>  >>
>>  >>When your screen is white, be it an empty word page, or the Google
>>  >>page, your computer consumes 74 watts, and when its black it
>>  >>consumes only 59 watts. An article about the energy saving that
>>  >>would be achieved if Google had a black screen, taking into account
>>  >>the huge number of page views, worked out at a saving of 750 mega
>>  >>watts/hour per year.
>>  >>
>>  >>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
>>  >
>>  >
>>
>>
>>  --
>>  ____________________________________________________________
>>
>>  helen varley jamieson: creative catalyst
>>  helen at creative-catalyst.com
>>  http://www.creative-catalyst.com
>>  http://www.avatarbodycollision.org
>>  http://www.upstage.org.nz
>>  http://www.writerfind.com/hjamieson.htm
>>  ____________________________________________________________
>>
>>
>>
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-- 
____________________________________________________________

helen varley jamieson: creative catalyst
helen at creative-catalyst.com
http://www.creative-catalyst.com
http://www.avatarbodycollision.org
http://www.upstage.org.nz
http://www.writerfind.com/hjamieson.htm
____________________________________________________________