In a message dated 7/2/01 11:28:04 AM, bradbury@aeiveos.com writes:
(re atmospheric vs fixed carbon)
>Aha, have you forgotten my (in?)famous Sapphire Mansion post?
>It needs to be rewriten with some corrections, but the general
>gist of it is still correct. The URL is:
> http://www.lucifer.com/exi-lists/extropians.3Q99/2823.html
As you say, the limiting factors on nanotechh are energy, mass, and
designs. Fixing carbon is energetically very expensive; even worse
if you're trying to do it mechanochemically as you have to catch
air molecules. You don't see short doubling times if you have to
fix carbon; you do far better if it's already there.
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