Yeah, the very idea that it's possible is really intriguing, even if its decades or more likely centuries away. Consider what it means for extraterrestrial life. If it's possible and assuming there is earth-like life on other planets out there, then chances are, some civilization somewhere has already perfected this. Maybe extraterrestrial life doesn't consist of little pockets of civilization with no way to usefully travel beyond their own solar system; maybe there are civilizations that occupy and travel between multiple star systems or are actively exploring new ones. That's a super-intriguing idea, but one that has had no basis beyond science fiction until now (and even now, it's only basis is on an extremely hypothetical level).
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