Somewhere in the long list of topics that are relevant to astrobiology is the question of ‘intelligence’. Is human-like, technological intelligence likely to be common across the universe? Are we merely an evolutionary blip, our intelligence consigning us to a dead-end in the fossil record? Or is intelligence something that the entropy-driven, complexity-producing, universe is inevitably going to converge on?

All good questions. An equally good question is whether we can replicate our own intelligence, or something similar, and whether or not that’s actually a good idea.

In recent months, once again, this topic has made it to the mass media. First there was Stephen Hawking, then Elon Musk, and most recently Bill Gates. All of these smart people have suggested that artificial intelligence (AI) is something to be watched carefully, lest it develops to a point of existential threat.

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