Chapter 7 The Glass-Eyes

She told them on a Tuesday, because Tuesdays were when the scholarly council met in the old library. Waiting any longer would have kept her from sleeping.

The library was on the ground floor of a building that used to be a bank or a government office. Stone arches, a vaulted ceiling patched with timber where the original material had failed, and shelves of salvaged books filled the space. Fourteen glass-eyes sat in a circle. Kael stood in the center and changed the world.

She brought the recordings — ink on paper, the signal patterns she had written down over thirty-one nights of listening. She also brought Olu, who could check the equipment and methods. She didn’t bring Demi, who had told her, “I don’t want to be in that room when you light that fire.”

Kael laid the transcriptions on the central table. Prime numbers. Fibonacci numbers. Number sequences. Math exchanges. Forty pages of a conversation with something that shouldn’t exist.

“There is an intelligence transmitting from the south,” she said. “It understands math. It responds to communication. It has been signaling for what seems like centuries. And when I answered, it spoke back.”

The room reacted the way rooms react to things that can’t be true: with a silence so thick you could touch it. Then the silence broke, and what followed was the most Tidemouth thing possible — fourteen people talking at once, none of them listening, all of them sure.

“It’s a reflection — atmospheric, a signal bouncing off—”

“The Before machines, they had automated systems, this could be—”

“The sky-voices! I’ve been saying for—”

“Show me the data. Show me the frequencies. What’s the propagation—”

“Who else knows? Does the Harbor Council know? Does—”

Kael raised her hand. Not everyone stopped, but enough did.

“It is not a reflection. The response is on a different frequency and has different math content. It is not a Before machine running old programs. The responses change in real time — they learn. And yes, Sekani—” she looked at the old man, who sat in the back with tears on his cheeks, “—it may be the sky-voices. But the sky-voices are not myth. They are radio waves sent at very low frequency from a place about fourteen thousand kilometers to the south.”

She let the distance sink in. Fourteen thousand kilometers. South. Across the Crossing. Across the ocean that destroyed ships and killed sailors, and in Tidemouth’s memory, was the edge of the world and the end of all things.

“Something is alive down there,” she said. “Something with technology, math, patience, and the desire to be heard.”

The next two weeks were the loudest of Kael’s life.

The scholarly council split into three groups, like a lens splitting light into colors. The scholars — Kael’s people, the glass-eyes — wanted to study the signal, improve the communication, and learn everything they could before making any decisions. Renna’s traders wanted to know what the entity had that they could use — technology, knowledge, materials, leverage. The soldier-scholars — the ones who protected the city from raiders — wanted to know if the signal was a threat.

“We don’t know what it is,” said Commandant Hara, a strong woman with scars on her hands and the habit of standing while others sat. “Something with that kind of technology, that kind of patience — what if it’s not friendly?”

“It taught us the Fibonacci sequence,” Kael said. “That’s not the behavior of an attacker.”

“It’s the behavior of something that wants us to trust it. Those can be the same thing.”

Hara wasn’t wrong. This was the worst part of the politics — the worst arguments were the ones with merit.

Renna formed the alliance, as she always did. She proposed a coalition: scholars to study the signal and manage communication, traders to assess the strategic implications, soldiers to prepare for any outcome. Three legs of a stool. Kael would lead the technical effort. Renna would handle the political coordination. Hara would maintain security.

“And if we learn they’re hostile?” Hara asked.

“Then we stop transmitting and we’ve lost nothing,” Renna said.

“Except anonymity.”

“We lost that when Kael turned on her transmitter. They know we’re here. The question is whether we learn who they are before they learn too much about us.”

The coalition was imperfect. Its members distrusted each other for good reasons. Kael didn’t trust Renna’s motives. Renna didn’t trust Kael’s naivety. Hara didn’t trust either of them. But they agreed on one thing: ignoring the signal was no longer an option. Whatever was down there, it was real, and pretending otherwise was the only plan that was sure to fail.

The coalition invested in the observatory. Olu got funding for better equipment — better batteries, a dedicated generator, improved antenna connections. Demi recruited two metalworkers from the harbor to reinforce the dish structure and build a proper switching mechanism so they could switch between transmit and receive without manual reconfiguration.

Within a week, they had a working communication station. The bandwidth was still slow — a few characters per minute on VLF — but the exchanges were now regular. Twice daily: morning and midnight, when ionospheric conditions were best. Kael set a protocol: transmit for thirty minutes, receive for thirty minutes, log everything.

The exchanges grew more complex. They started with basic math and moved to algebra — variables, equations, unknowns. The entity on the other end was patient and precise and learned faster than any person Kael had ever taught. When she introduced a concept incorrectly — a flawed example, an unclear notation — the entity pointed out the error and corrected her. This was not the behavior of a student. This was the behavior of a teacher being gentle with a student’s first attempts at a language the teacher already knew well.

Kael began keeping a private log. Not the official transcriptions that the coalition reviewed, but her own thoughts:

Day 41: The entity never repeats a mistake. Not once. When I introduced the concept of variables using “X” and “Y,” the entity responded with a full algebraic expression on the first exchange. Either this intelligence has already encountered algebra and is waiting for me to catch up, or it can understand from a single example with a speed no human mind I’ve known can match.

Day 48: I sent a sequence error on purpose — switched two numbers in a multiplication. The entity corrected me within one exchange. It didn’t just spot the error. It figured out what I meant to send and sent the correct version with its own response. It’s not just understanding my math. It’s understanding my intentions.

Day 52: The exchanges follow a pattern. My messages are answered by a response that adapts to my level. The probe signal — the original repeating primes — keeps running on a different frequency. Two different behaviors from the same source: a patient, unchanging beacon, and a quickly adapting conversational partner. I think the beacon and the partner are different systems. Or the same system, doing two different things at once.

On the fifty-third night, Kael sat in the observatory and did the math that had been bothering her since the first transmission.

The probe signal — the repeating primes — had been running non-stop. Its characteristics were steady: same power, same frequency, same modulation. Over the weeks, she had gathered enough data to estimate its age — not exactly, but within a range, based on the stability of the carrier and the unique fingerprint of the oscillator that generated it.

The signal was old. Not years old. Not decades old.

Centuries old.

She sat with this for a long time. The math was clear, but the implications were dizzying. Someone had been sending a math beacon from the bottom of the world for hundreds of years. The beacon had been active longer than the oldest person in Tidemouth’s oldest stories. Whoever — whatever — had built this system had done so with the expectation of waiting indefinitely. It had been calling into the void with the patience of a mountain, and the void had not answered, and it had not stopped.

And when she finally answered — this lensmaker from a ruined city, with her scavenged transmitter and simple modulation key — the response came in fourteen minutes. As if the listener had been waiting by the receiver for five hundred years, hoping.

The sophistication of the exchanges confirmed what the beacon’s age suggested: this was not a person. No person could process math that fast, adapt communication strategies within a single session, or keep a beacon running for centuries without a break. This was a system. A machine. An intelligence that was artificial in the true sense — made by design.

Kael was talking to a machine.

The thought should have been scary. In the Before stories, thinking machines were always monsters — the demon-boxes that Sekani’s tales warned about, the old terrors that slept in bunkers and spoke in riddles. But the entity she had been talking to was not a monster. It was patient, precise, and willing to meet her at her level. It corrected her mistakes gently. It offered knowledge without looking down on her. It waited.

It waited the way a parent waits for a child to figure something out — with a patience that was either love or its closest machine-like version.

That was the part that scared her. Not the machine. The patience. Because patience on that scale — centuries of calling, centuries of waiting, centuries of hoping that someone would answer — said something about the machine’s priorities that Kael couldn’t match with the demon-boxes of old stories. Something was important enough to this system that it had spent five hundred years trying to reach it.

And now it had.

Kael sat in the observatory at midnight, surrounded by the hum of salvaged electronics and the weight of questions she had no way to ask. Who built this machine? Why were they at the bottom of the world? What did they want?

And the question underneath all the others, the one she whispered to no one in the dark: If they’ve been calling for five hundred years, what are they so desperate to find?