Imagine a long long time ago in a galaxy far far away, a civilization arose together with some of the first generations of animals, with no time for the formation of petroleum and coal. Which type of "conventional" fuel could they come up with, as a relatively primitive civilization, in order to go through something like an industrial era that would allow them to develop further?
Submitted December 12, 2021 at 09:19AM by igpila https://ift.tt/3rX3CHA
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