A long but interesting and well-written article.
Yes, it’s unclear that, absent physics breakthroughs, there will be any practical reasons to head off to another star.
Arnold Kling says we are all wrong about it.
Well, maybe someone is right, and we just haven’t heard from them.
I don’t think I appear in this video, but I was in attendance last month.
In (too rare these days) praise of it.
I personally find the idea of combat almost unimaginable.
Why it will save the world.
Not hot off the press, but worth a read from a smart guy.