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There's an interesting talk by Robin Hanson that argues that the absence of observed alien life should make us think human civilization is likely to go extinct
by foobarqux 12y ago
There's an interesting talk by Robin Hanson that argues that the absence of observed alien life should make us think human civilization is likely to go extinct and therefore that interplanetary colonization is either harder than believed or insufficient to propagate life long term.
https://news.ycombinator.com/item?id=8804856 https://news.ycombinator.com/item?id=8804856
- ende 12y agoThis assumes that we should expect to observe alien life with any meaningful probability at all, which may not be a reasonable expectation and completely independent of the difficulty of interplanetary expansion.