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Retrieved on: 2018-04-11 00:10:50
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<div>An example of Type 1 civilizations is ours, which could die out if it mishandles technology or abuses <b>planetary resources</b>, or from disaster. If they survive, they could become Type 2, characterized by longevity and advanced physics, and have interstellar travel. The third type of intelligent civilization would ...</div>
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