I've been trying to recall which story it was that involved machines or computers that kept humans around in order to avoid being frozen. Briefly, in the story, humans and machines were at war, and as the number of humans dwindled, the computers discovered that time would freeze for them, and they would be unable to function, whenever they were not observed by humans.

To avoid this fate, the machines experimented and successfully integrated the essential parts of humans into themselves so that they would effectively always be observed.

Sorry I can't be more specific -- it may have been a short story or a novel.

1 Answer 1


This is almost certainly The Beast Adjoins, by Ted Kosmatka. First published in Asimov's Science Fiction, July-August 2020. No synopsis yet on isfdb, but the full story is available directly from the magazine website.

In the story, humans develop AI, with one strange problem:

They were given eyes to see and ears to hear. They were given voices to speak and legs to move. But none of that mattered. Because while the AIs could create symphonies, and write dirges, and paint landscapes to make humans weep, there was one thing they could not do. They could not interact with quantum systems. From a physics perspective, they were quiescent. Just material. They could see but not observe.

The solution that the AIs develop to this problem has horrific consequences for humanity:

Humans were captured and bound by the thousands at the end of long, silver spines, hung over battlefields and across broad metal backs—screaming, crying, begging, worn as adornment, and as ablative armor, and as holy totems. Others were placed into metal racks at the front of the great machines, casting reality for the AIs in the same way a headlamp might cast the world before a speeding train. “Captured divinity,” the AIs declared. “God in a cage.”

This is actually all backstory, interwoven with a plot set much further in the future that I won't spoil for the sake of new readers.

The story appears to have been made freely available as a pdf, directly hosted on the magazine website - I think in conjunction with this Wired story from last fall.

  • 3
    A wonderful answer, welcome to the site!
    – fez
    Commented May 13, 2022 at 16:36
  • Yes, this is it, thanks!
    – Huey
    Commented May 14, 2022 at 0:35

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