This is a slightly evolved out-take from my recent Vermont Humanities talk, which can be viewed here.

Netflix’s 3 Body Problem was remarkably entertaining, I thought, but the whole San-Ti plot line is built around a basic ecological fallacy. Let me explain. (And I’m referring here to the Netflix series, not necessarily to the novel by Cixin Liu, which I have not read, though I’ve been told by those who’ve read it that it largely holds for that as well.)
The Three-Body Problem is about humanity’s encounter with an alien race, the San-Ti or Trisolarans, who have emerged in a star system that is a three-body system. A three-body system is a classic example of an unpredictable stochastic system: it’s one in which three similar bodies — suns, in this case — exert gravitational pulls on each other that are only stable for limited periods and whose stability cannot be predicted. The mathematics for predicting it is too complex and our, earthly, mathematicians (like the Trisolarans’) have never been able to crack it. (There’s some debate over that, but let’s leave it aside.)
This alien race has developed the means to rapidly dehydrate themselves at the onset of an unstable period and go into a state of suspended animation until the next stable system arises, with presumably enough of them remaining in an underground shelter to monitor things during the intervening chaos. The planet goes from frozen states to hothouse states at will. In this it’s something of a metaphor for Earth, which has also gone from cool to warm periods, but not quite as dramatically as this, and far more slowly. But with the current Anthropocene event, there’s a looming instability that will at least affect our capacity to survive.
What’s wrong with this picture is that the kind of highly technological, space-faring, and 11-dimensional science wielding civilization shown in the series could hardly develop under such circumstances.
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