Tema: Re: naujas CRX :)
Autorius: pragäras
Data: 2010-01-13 20:49:56
aklam su veliku normaliai?

"KEdas" <non@[[trinti]]katalogai.net> wrote in message news:hil428$11c$1@trimpas.omnitel.net...
> 
> Labai „vykusi“ yra rusiška citata nenurodant šaltinio ir nepateikiant 
> pačios diagramos. :P
> 
> Štai angliškai panašia tema: 
> http://www.lowtechmagazine.com/2009/06/embodied-energy-of-digital-technology.html
> ----------------
> Embodied energy of a computer
> 
> The most up-to-date life cycle analysis of a computer dates from 2004 
> and concerns a machine from 1990. It concluded that while the *ratio of 
> fossil fuel use to product weight is 2 to 1* for most manufactured 
> products (you need 2 kilograms of fuel for 1 kilogram of product), the 
> ratio is 12 to 1 for a computer (you need 12 kilograms of fuel for 1 
> kilogram of computer). Considering an average life expectancy of 3 
> years, this means that the total energy use of a computer is dominated 
> by production (83% or 7,329 megajoule) as opposed to operation (17%). 
> Similar figures were obtained for mobile phones.
> ----------------