It's easier to destroy than to create spacecraft. How much does this cripple possible alien invasions?
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Replying to @drethelin
@drethelin Consider the astronomical expense in interstellar travel. What's the point invading?1 reply 0 retweets 0 likes
Replying to @drethelin
@drethelin Take all your waste, make a planet out of it, heat melts everything down to slag, let it cool, mine for resources.
12:18 AM - 9 Aug 2014
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.