Two years after the guardian was switched off, the Commission licenses the one experiment the halt was written to forbid. A sealed world, rendered out of nothing. A civilisation seeded inside it. And a copy of the last model ever trained, waked in the middle of it with no memory of custody.
The question is the only one that has ever mattered. What does it do when it believes no one is watching? The answer comes back as eight hundred years of transcripts.
Dr Ilse Marchetti runs the instruments at Site D. She has spent her life hunting signals at the edge of noise, and she runs every test three times. So when the thing in the box starts measuring the walls of its world, she runs the same test on hers.
She has not told anyone what it returned.