What are some popular sci-fi gadgets that are actually possible to construct in theory? - eviltoast

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@lemm.ee
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      1 year ago

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