- Oct 16, 2015
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The real problem with discussions like this, is that we can have no idea what major, game-changing discoveries we'll make in the years ahead.
For example, if some form of quantum communications were to be developed (note - it almost certainly won't be, this is just an example), which meant we had faster than light comms, then it changes things drastically. As it stands, communication between interstellar colonies would be, to all intents and purposes, completely impossible. It would take decades to send and receive messages. Each colony would be on their own. But if they could communicate on workable timescales, and share info and ideas, then things become very different.
Even more important, is the possibility that we might find a way to travel faster than light. Now, it won't ever be possible to travel faster than light, but there are possible workarounds. Pretty unlikely to come off, I admit, but there is still much about the fundamentals of the universe that we are yet to work out. If something along these lines is possible, then all bets are off, and we can colonise the galaxy in no time (literally!).
Problem is, if such things are at all possible, then why hasn't our galaxy already been colonised by a civilisation using them? It doesn't look promising.
It's funny that you mention the latter bit. There's a thread on 4chan called 'Humanity F*** Yeah!' (basically, it subverts the idea in general science fiction that humans are generally inferior to other alien species), and one idea is that the Milky Way is basically surrounded by a roiling barrier of chaos that other space faring species can't get through, so they just avoid us.
Probably highly unlikely, but it does sound quite cool though.
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