Chapter 16: The Mathematics of a Daughter

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Saturday 14 September, 21:40. Harlow's laboratory, East Tower.

Weave-Quake Counter: 47% instability. Node-failure projection: T+13 d. The reference dataset was destroyed in the Maze collapse of the tenth of September; this is the Council's re-run on partial data, and nobody has said out loud that it is a guess.

"The most dangerous thread manipulators are not those who wield the greatest power, but those who have experienced the greatest loss. For in their hands, thread magic becomes not a tool of creation, but a desperate attempt to undo what cannot be undone."

— Emerson Harlow, "Theoretical Limits of Thread Manipulation," Private Journal, 1941

WHAT THE OBSERVERS LEFT BEHIND

There were two of them and they had been in his laboratory for four hours and they had spent three of those hours in silence, and Marcus Harlow had discovered over the course of the afternoon that he found this restful in a way that ought to have worried him more than it did.

Councilor Yuen had asked one question. It had been at two o'clock and it had been this:

"Professor, when you say the lattice has been load-bearing since nineteen forty-one, do you mean the physical structure, or do you mean the arrangement?"

And Harlow had said: "Both, and I can show you, and you will not enjoy it."

And Yuen had looked at him for a moment too long and then had said, "No. Tonight, please."

They left at six. The door had a seal on it that was not physical and he watched it settle.

He put the kettle on, and then did not make tea, and then made it.

THE BOX

There was one object in the laboratory that was not an instrument. It was a lacquer box with a chip out of one corner and it sat where he could see it from the chair, and he had moved it eleven times in four years and it had ended up in the same place every time.

Inside: a photograph, a hairpin, a stoppered vial with four dry petals in it, and a paper crane, folded out of thread-paper, grey at the creases.

The photograph was of a woman and a girl under cherry trees in a garden in Kyoto, taken in the spring of nineteen ninety-six by Marcus Harlow, who was in the frame in those days and who was not in this one, because he had handed the camera to a neighbour and had gone to fetch the good tea and had come back forty minutes later to a garden with a hole in it.

Aiko was thirty-one in that photograph and looked about twenty-six, and she had put her hand flat on the girl's head the way she did when the girl was concentrating.

Mei was six, and would be seven in April, and in the photograph she had both hands in the woman's coat pocket and was looking at the camera as though it had personally offended her.

He did not take the photograph out often. He took the hairpin out, more, and never the photograph, and he had worked out the reason for that some years ago and had not enjoyed working it out.

THE THING THAT HAPPENED

The collapse was in the garden at approximately four in the afternoon on the eleventh of April, nineteen ninety-seven, and Harlow had been running a calibration for a Syndicate cell in the Annexe, forty metres away, and the Annexe had gone first.

Mei had been in the garden because it was April and there was blossom on the thing by the wall and she was seven.

The facts he could verify: he had arrived at the garden at four minutes past four. The fracture was already open. Aiko was nineteen metres into it, on her knees, holding the two ends of it apart with her hands, doing with her body the thing that a weaver is not supposed to be able to do with her body. Mei was beside her, and Mei was weaving. Mei was seven years old and was weaving, and Harlow came round the side of the house and saw his daughter at the centre of an open dimensional fracture with her arms out and her eyes shut and her whole face quiet in an expression he had never seen on a child and has never been able to describe to anybody, including himself, and that was the moment.

The fracture did not close. It took her instead.

What happened to him is the part that is genuinely unusual, and it is the reason he is a professor at this Academy and not a ward somewhere, and it is the part he has never once told anyone.

He was not injured. He was not wounded, not scarred in the ordinary sense, and the physicians in Kyoto found nothing, which they were extremely pleased about, and the silver in his hands and up his forearms is a consequence and not a wound.

What happened was that he was severed. Every thread-connection he had ever had — to his wife, to his daughter, to the eleven people on his mother's side who had taught him the practice he was the finest living practitioner of — went out of him in the space of about forty seconds, and it did not snap. It came apart cleanly, like something withdrawn, and it took the record of it with it.

Aiko and Mei survived.

He found this out in nineteen ninety-eight, from a recovery team the Syndicate had hired, and then he found out the rest of it over the following year, and the rest of it was this: they had no memory of him. Not suppressed — absent, in the specific and total way that a name is absent from a person who has never had a brother. He had been removed from them at the level of the thread, which meant at every level, and the reason was that the fracture did the only thing a fracture can do to a man who is standing in one: it took what he was made of and it put it somewhere else.

He found them in the autumn of that year, and it cost him the last of his money and a considerable amount of a skill he had sworn in nineteen ninety-four never to use on another person. They were in a coastal town under new names. Aiko was a librarian. Mei was at school.

He went to the library, and he stood in front of her for ninety seconds, and she was thirty-three years old and she had his hands.

"I'm sorry," she said. "Do I know you?"

He did not go near her again. He did not go near the child either, and there was a reason for that one that he has never stated, and the reason is that she was eight years old and she had looked at him in a street in a coastal town in the November of that year and had walked to the other side of the road.

The order came in 2011, nine years after he joined the faculty here, and it was filed from Portland by a woman of twenty-one, and it was signed in her own hand using a handwriting he had taught her when she was five. He read the first line eleven times. He has never told anyone that he read the first line eleven times.

She was twenty-three when he ran the survey that put her name on the list.

The Syndicate's people in Portland had been watching her for four years. They had a file. The file said, in the second paragraph, on a page he has read so often that he can recite the layout: female, 23, thread sensitivity unconfirmed, no institutional contact, no training, no community. Which meant a woman who could probably see and had been told by everyone she knew that she was mad.

He has a photograph of her at twenty-three, at a bus stop, in a coat.

WHAT HE TOLD HIMSELF IN 2013

The argument he had been making to himself for eleven years, and which he had got very good at, was not that it would work. It was that it was correct.

He sat with it in the way you sit with a thing you have carried a long way.

There was a girl in the east dormitory who had been in this building ten days and who had, on Thursday, in front of two hundred and eleven people, asked a question about a number and made a professor of mathematics stand up in a corridor and say that a girl of sixteen was braver than a committee. He had watched that on the internal feed at half past two on Thursday with a cup of tea going cold in his hand, and he had felt something he had not felt in sixteen years, and it had taken him two days to identify it, and it was not admiration.

It was relief, and it was the relief of a man who has been waiting for a specific tool.

Here is the calculus, and he set it out on paper every evening, and the paper is what the Inquiry will later find, and he has never denied a line of it.

The Animus Argenti is a rare thread type. It is not, as the popular accounts have it, a bridge to the dimension's mind. It is a tone — a pure resonant frequency, rare enough in the population that a working seer's lifetime will contain one or two. It is, in the terms of the 1941 material, a stabilising reference, and the lattice in the basement under the Hall of Records has been load-bearing for seventy-two years on a resonance it has been starved of since the day it was built, and that is the whole technical content of his life's work. He is not mad. He has been right since April, nineteen ninety-seven, about a machine, and everyone in this building has been very careful not to look at it.

A reference tone is required at the moment of transfer.

The subject will lose her thread-sight. He has modelled it. The probability of survival is high; the probability of permanent perceptual loss is higher still; there is a residual probability of neurological damage that he has written down, in his own hand, in a document he has signed, and he read that document to himself in June and then went and had dinner.

And if she has some of what Mei had — if the girl is what the incident report says she is, a full-spectrum late developer with an unremarkable family and no training at all — then what she has is the one thing that was standing in a garden in April nineteen ninety-seven with her arms out, and it will do the same work.

One thread-seer's sight.

Against: two lives, neither of which is available to be saved. His wife, who is not walking around in 2013 and has not been since 1999, and his daughter, who is twenty-three, and is on a bus, and will be twenty-three when the bus arrives.

He wrote the sentence down on the sixth of November, two thousand and twelve, and he has a copy, and the copy is the first document the Inquiry read out, and he asked for it to be read out.

One thread-seer's diminished capacity, against the restoration of two people, is arithmetically trivial. It is not morally trivial. I want it entered that I knew the difference between those two things for the whole period and that I went on doing it anyway, and that if you are looking for the moment at which I became the villain of this, it is not that sentence. It is a corridor, in nineteen ninety-eight, in front of a woman with my hands.

The seal on the door lifted at eight minutes to ten.

WHAT CAME UP THE STAIRS

Security had brought him three things and left them on the bench, which was how Security did things, and which he had stopped minding in about the eleventh year of doing it here.

The first was a Council minute, countersigned, giving him standing authorisation for a live draw on the seventeen campus collectors for a period of seventy-two hours, renewable once. It had gone through at six o'clock that evening. The Security Chief had not voted it down. The Security Chief had abstained, and had filed a minority note, and the note was in the packet, and the note said that she could not support a draw on a campus lattice containing minors without a medical protocol, and that no medical protocol had been produced.

He read the note four times. He would think about it for a long time afterwards and it never once changed what he did, and he could never work out whether that made it more forgivable or less.

The second was a signal strength. A campus alert, filed at twenty-two minutes past eleven that night, from the Restricted Archives: a breach on the dimensional-incidents shelf, four parties, dampening wards defeated. It had gone to his console and to the Security Chief's, and the Security Chief's copy had been opened first, at twenty-four minutes, and not forwarded for eleven minutes.

Somebody had opened the Kyoto file tonight. Somebody had gone to the shelf, and had not gone to the shelf by accident, because the shelf is at the back of a room and the file is in a box and the box is not labelled.

The third was a list of names, and the second name on it was in a hand he had not seen for sixteen years, on a form that had been filled in by a woman in Portland who did not know what she was filling in, for four hundred dollars, in March.

He put all three down and stood at the window and looked at the east dormitory, where four lights were on and three of them belonged to children who had no business in the Archives and every business in a cell two floors above the one he was standing in.

Good, he thought, and the word arrived without any argument attached to it, which had not been true of the last few.

He had spent eleven years being the man who asks a question and then waits, because the waiting was the ethics, and the answer to a question that was not asked was nobody's fault. In six hours he would be a man who had simply done it.

He took the paper crane out of the box and put it in his breast pocket, where it had been since nineteen ninety-four, and it was the only thing in his life that he had not once been tempted to use.

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