Yes, earlier you would have considered this folklore (elves, goblins = aliens), legends (gods, angels, demons, wizards = aliens), classic-era...
I think it's important to remember that science fiction is a beast with many mothers, and that the history of the genre began centuries before the...
During the fuel shortage under WW2, people rebuilt their cars to run on wood gas that was produced in a gas generator mounted on the car or tucked...
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