I am talking about gadgets we see in science fiction movies that obey the laws of physics of our universe and could theoretically be constructed, barring the limitations of materials, energy and time faced by our civilization at the moment.

  • Dagwood222
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    9 months ago

    We could have been mining the asteroids at any time after 1969…

    • RememberTheApollo_@lemmy.world
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      9 months ago

      I don’t know that mining them is the difficult part. Getting the materials back and/or refined in space is gonna be harder.

      • Dagwood222
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        9 months ago

        You’ve got unlimited solar energy and robot technology is getting better every day. People have been working on the problem for decades.