Chapter 12 — The Star Growers

Mien built a tactile warning sign in the room that used to be the tool warehouse. I don't start with the circuit, but with the question: what does a person do when the light vibrates three times but cannot hear the explanation?

On the table there are four objects: a vibrating box, a lamp, a picture card and a mechanical bell. Mien lined them up, then took a pen and wrote under each object: touch, look, read, ask. Lam thought she would set up a series of warnings, but Mien shook her head.

“No connection?” Lam asked.

Mien wrote: "Connect to replace each other. If you don't let one fail, everything will be lost."

Ha provides a list of users with different ways to receive news. An old man with hearing loss, a blind girl, two people who cannot read, a group of workers who often wear thick gloves. Mien looked at the list, not considering it an easy problem.

“Each person needs a path,” Ha said.

Mien wrote: "No. One system has many doors."

The bar measures the frequency of the vibrating box, but Mien says the frequency is not as important as the time. A long beat can be mistaken for a machine collision. Three consecutive short beats are more difficult to mistake, but if placed on a wooden table, they will transmit differently on a cement floor.

I took two identical boxes, placed one in the inner room, one outside in the yard. Same signal, different vibration. Record the deviation, then add a light sensor. The system should not indicate “wind”, but should indicate “box is receiving correctly” with an hourly check.

“What if people think the testing rhythm is a warning?” Lam asked.

Mien draws two colors: green for checking, yellow for monitoring, red for needing to call someone. But red is not useful for blind people. I added embossed images with hot glue.

Ha looked at the icons. “This is no longer yours.”

Mien wrote: "It was never my thing."

Kha entered the factory, holding a broken lamp. "This bulb is short. Can be used as a motorbike light."

Mien checked the light and shook her head. Motorcycle lights are so bright, it makes people think there's a power outage. I took a reflective strip and placed it behind the plastic sheet. Softer light, visible during the day.

Kha asked me if I wanted to study aviation. Mien pointed to the star particle model and wrote: "Learn to fix here."

“You don't want to go?”

"Go. But not to hide."

Lam heard that sentence and remembered Kha once wanted to leave the village. Some people go to expand the sky, some stay so that others won't be left behind. No choice is automatically higher.

The first test session took place at the medical station. Ha stood in the room, Lam created a yellow signal with a tablet. The vibration box in the hallway vibrated correctly, but the old lady in the room couldn't feel it because her hand was holding a glass of water. Mien attached a vibration transmitter to the chair. The old lady touched it and received a signal.

“Chairs are also sensors?” she asked.

“The chair is where you are sitting,” Ha replied.

A worker wearing gloves does not feel the vibration. Mien attaches a metal piece to the door handle, allowing people coming in and out to touch it. A blind girl cannot distinguish small embossed images. Make the icon larger, use different edges instead of color.

Lam records each error. One box is not enough. A signal has no meaning without an interpreter.

Just in time for the test, Vom station sent three packets of salt in a row. Ha looked at Lam. “Is this the time to use it for real?”

“Not yet reached the internal threshold.”

“But I'm testing the warning system.”

Mien pointed to the group of symptoms. A person outside coughed.

Ha did not wait for Lam. She turned on the yellow signal, opened the filtering room and sent someone to ask each household. Small action, no loudspeaker. Lam records actual data: signal, recipient, action done.

An old man entered the filter room and asked Why didn't the station announce it early? Ha said he was monitoring and had no conditions to open the room yet. He said he doesn't know how to wait for "conditions".

Mien gave the picture card. First image: hand placed on the box. Second picture: if two beats, check the eyes. Third picture: if spicy, enter the room. There are no words "conditions".

Lam realized she often puts the burden of reading data on people, calling it empowerment. Mien is turning rights into a concrete action.

In the afternoon, the old school invited the group to try out the vibration box in the classroom. The principal wants all children to use the same board, without separating the deaf group. Mien agreed but requested that the children learn how to signal each other.

I teach children to touch the railing: one beat means "I received it", two beats means "I don't understand", three beats means "need someone to come". Children learn quickly, but also turn signals into games. A boy taps three times continuously to tease his friend.

Mien stopped class without scolding. I asked him who he wanted to come when he really needed it, but everyone thought he was playing.

The boy bowed his head.

“The signal is not bad,” Mien wrote. “If used incorrectly, others will not know.”

Thao Nhi told the story of an old flood whistle that was tried by children, causing the village to stop fishing for a day. She did not punish. She forced the child to go with the person on duty and recorded the consequences in the book.

Lam asked Mien if there was a need to establish rules for handling false signals. Mien wrote: "Yes. But don't turn the child into a destroyer."

“So what do you write?”

“Whoever sends the counterfeit must confirm with the recipient.”

Rules passed. The boy had to go door to door and apologize for making them run into the yard. Then he became the best at testing boxes, because he knew what a fake signal looked like.

At night, Mien installed the system into the dome. Bach called, asking if she could describe the protocol in writing.

Lam translated the question. Mien took the board and wrote: "Describe with pictures first."

Bach said the center needs words to incorporate into the process.

Mien continued: "Pictures are for the user. Text is for the computer. Both."

Bach was quiet for a while, then said he would find someone to help with the conversion. He did not ask Mien to write according to the form.

Kha ordered a new lamp. He asked Mien if she wanted to name the protocol. Mien wrote "Nhip Van Suong".

“Sounds like music.”

“Because everyone needs to learn rhythm.”

Lam saves the protocol with that name, but credits the author to the community design team, not just Mien. Mien objected, writing my name should be there because I do the main part.

Lam asked: "Do you want your name to be praised or to be held responsible?"

Mien wrote: “Both.”

Lam added the names Mien, Ha, Kha, young group and trial user. Bach sent a message praising the writing style.

“Can you use it?”

“Yes, if holding a community license.”

“What license?”

“Reproduction allowed, source required, warning signals cannot be sold separately.”

Mien read and lightly tapped his hand on the table. I wrote: "Not for sale."

“Not all data is free,” Bach said. “But life warnings should not be locked.”

Ha said: "Then write clearly."

At the weekend, Rhythm Van Suong was tested in a light breeze. The vibration box at the medical station, the lamp at the school, the strip of fabric at Mrs. Mui's house, and the picture board at the market and newspaper. It's not always in sync, but people know how to cross-check.

One person asked Lam if the protocol could be used for heavy rain. Lam said not yet, because the current signal is only for wind and salt dust. Mien wrote another line: "Not used outside the scope."

That line is printed in large print below the board.

Bach sent news that Gray Star is still lingering. The satellite hasn't returned yet. During There, a star particle lost contact at sea. Its data ends up hitting the ground network via an unknown jitter.

Mien put her hand on the box. I felt three long beats, then silence.

“Star Troi?” Lam asked.

Mien shook her head. She wrote: "It's calling from a place without a box."

Outside the window, the reflective roof of the lagoon glowed under the moonlight obscured by clouds. A small light line on the water surface vibrates with the wind.

Mien doesn't want Rhythm Van Suong to turn into a code that only people in the group know. I invite people who have never stood in front of a sensor box to try it. A salesman who couldn't read small letters, a baby with hearing loss, a person holding a baby, a teacher whose hands were shaking, and Cu, who always said she only needed to hear the sound of the machine.

Each person receives a different situation. The box vibrates three times, the light turns yellow, and the line "check northwest direction" appears on the screen. The salesman understood it as "close immediately" because she only saw yellow. Mien changed the light to a window icon with an arrow. Cu heard the vibration but did not know when the signal ended; I added a short confirmation beat. The baby holding the baby cannot put his hand on the box; Recommend lighting mounted at eye level.

“No design is ever right,” Mien said. “Every use is a retest.”

One person asked what if someone intentionally sent out a false signal. Mien added a three-layer rule: the signal from the station must come with a time code, the person on duty must confirm with a second channel, and all warnings must have an expiration date. She wants people to know how to doubt their whole system.

Bach sent the center's draft warning standards for reference. In particular, each color has a clear legal level, but there is no guidance for cases where local data only shows one possibility. Mien suggested adding the status "testing". Bach said that state can make people slow to act. Mien replied: "Without that state, people will act on rumors."

The two sides experimented with random scenarios. One time the light didn't come on but the vibration box worked. There were times when the words appeared correctly but the translator misread them. One time the signal came while the operator was changing the battery. Each error is recorded as a line in the book, no one is punished for discovering it.

At the end of the session, Mien wrote the convention on the big board: "A signal has not yet become a warning. A warning has not yet become an order. An order must have someone responsible." Lam read that sentence and found it more mature than many documents she had ever signed. She suggested including the names of all test groups at the bottom of the page. Mien agrees, because a language only lives when its creator is not hidden.

Star Garden is growing another language, although it is unknown who will be the first to need it.