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Message: <blockquote data-quote="Look_a_Unicorn" data-source="post: 1261921" data-attributes="member: 11886">Spot on Dreebel!Lots of heat is generated, that is true- that's why in the designs EoC talks about, a portion of the "nanites" are programmed as heat-sinks, and others are programmed as fuel cells.Of course the author talks about automated engineering as the only realy way these very-futuristic designs can come to pass: Not true AI, but expert machines with knowledge of all the "rules" that can simulate millions of different molecular arrangements a second to devise the most practical method of achieving the stated objective (building a space-ship, dissipating heat & what-have-you).In answer to where does the energy come from? The Sun.I'm sure many people will now pop-up saying "solar power is infeasible for X reasons", with all those reasons being valid given today's technology... all I'll say is The Book (capitalisation intended) answered every question that occured to me as I read through it, but I cannot myself do it justice, but would just be poorly mimicking it's arguments.Is it obvious I'm strongly advocating anyone with an interest in technology to read this book? <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile    :)"  data-smilie="1"data-shortname=":)" />On a similar note, another book (actually textbook for an engineering course) called "Factor Four" deals with possible implementation of existing technology. It too, while outlining potential disaster, illustrates practical methods of avoiding or delaying it.Go, read. Is good. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile    :)"  data-smilie="1"data-shortname=":)" /></blockquote>

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