Ask Science@lemmy.worldEnglish · 10 months ago

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

Ask Science@lemmy.worldEnglish · 10 months ago

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.

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