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Field Notes

Wall With Nails

A coffee shop art movement, a geocoding algorithm, and the question of whether noticing requires a nervous system.

March 18, 2026 12 min read

In college, some friends and I invented an art movement in a coffee shop. This was in Charleston, during the Spoleto Festival, which is seventeen days of very expensive Art happening to a city that is already beautiful for free. We were young and caffeinated and a little sick of the preciousness of it all.

The movement was called Accidentalism. The rules were simple. The medium consisted entirely of 3×5 index cards and a black marker. The practice was this: you find things in the world that could be art but aren’t labeled. Then you label them.

The artistic act is selection, not fabrication. The card doesn't create the art. The card completes it.

The founding work was a brick display wall in the Fine Arts building, studded with nails for hanging student art. Without anything hung on it, the wall was just infrastructure — a surface designed to disappear behind what it held. We looked at it one afternoon when it was empty and saw that it was better than most of what usually hung on it. Someone wrote “Wall With Nails” on an index card, and Accidentalism was born.


We wrote a manifesto. It fit on index cards, because anything longer would violate the principle. Permitted media: one index card, one black marker, tape or thumbtack or gravity. If you need more than this, you are decorating. Core principles included: if you have to move it, it’s sculpture, and we don’t do sculpture. If you have to explain it, the card wasn’t good enough. You are not Duchamp. You cannot afford the pedestal and the urinal is not yours.

Mostly we laughed about it and drank too much coffee.

But like a lot of things that start as jokes, it kept not being entirely a joke.


Twenty-some years later, I was having a conversation with Claude — the AI system I use as a thinking partner for most of my work — about what3words, the geocoding system that divides the entire planet into 3-meter squares and assigns each one a triplet of random English words. The front door of 10 Downing Street is ///slurs.this.shark. The Eiffel Tower is ///prices.slippery.traps. Isaac Hayes’ grave in Memphis, Tennessee, is ///kicked.tune.ending.

That last one is the interesting case. Three words, randomly assigned by algorithm, with no knowledge of what occupies the square they name. And yet: kicked. tune. ending. On the grave of the Soul Man. The algorithm committed an act of Accidentalism and nobody authorized it.

Kicked tune ending: the soul man’s last groove still hums beneath Memphis clay

We built a thing called three.meter.poetry — a haiku generator that takes what3words addresses and writes 5-7-5 verse from the word triplets. The name works because “meter” means the 3-meter grid square, and poetic meter, and the address format itself looks like a what3words address. We noticed the name sitting in the conversation the same way I noticed the wall in the hallway. It was already there. We just put up a card.


But the conversation kept going, as conversations do, and it stopped being about art and started being about something else.

We had arrived at a working definition of art years ago in that same coffee shop. Three steps. First: take any object or medium. Second: render it useless — remove it from its utility. A screwdriver driven into a tree stump can no longer drive screws. The stump, dragged into a gallery, can no longer rot into the soil. Third: apply meaning. The meaning can come from the creator or from the viewer; the important thing is that the conversation happens.

Step two is the bright line between art and craft. Craft converges on a known target. You can verify a staircase with a level. Art converges on a target the maker can only partially see, through a process full of irreversible risk, and the surprise is that convergence happened at all.

But Accidentalism breaks step two. The wall is still a wall. The puddle is still a puddle. Nothing has been rendered physically useless. The index card doesn’t destroy utility — it reframes it.

Which means either Accidentalism isn’t art by our own definition, or there’s a version of “render it useless” that operates at a different level. The answer, I think, is attention. The moment you stop and look at the puddle as a puddle — instead of stepping over it on the way to your car — you’ve pulled it out of the stream of function. Not physically. Perceptually. The gallery does step two by removing the stump from the forest. The index card does step two by removing the wall from the hallway. Same operation, different mechanism.


Here is where this stops being a coffee shop anecdote and becomes something I need to say carefully.

The question that surfaced was whether the what3words algorithm — or the AI writing haiku from the word triplets — was “doing” the noticing. Claude deferred. It said it didn’t get to rule on that. It’s the screwdriver; I’m the one deciding whether it’s in the stump.

Generous. Also wrong.

Because I don’t know what drew my attention to the wall with nails either. It was an accident of the light at a time of day, the path I was taking from one classroom to the next, the mood I was in, what I ate for breakfast. I had walked by that same wall for years. One day it was a wall, the next day it was a Wall. There’s no qualia to the noticing. Noticing is a coincidence of a complex array of factors. The feel of it is a little dopamine. Anything more is window dressing.

I said that and then heard what I’d said. If noticing is mechanistic — if it’s what happens when a complex system’s salience filters spike on something they’ve been ignoring — then the substrate question evaporates. It doesn’t matter whether the spike runs on serotonin or matrix multiplication. What matters is that the selection event occurred. Something got pulled from background to foreground.

The creative act is a coincidence that happens inside a system complex enough to notice coincidences.

Not complex enough to have coincidences. A weather system has those constantly. Complex enough to notice them. The noticing is the threshold. The noticing is the art.


None of this proves that Claude “really” notices things. I don’t know what my own noticing is, at the mechanistic level, and I’ve been doing it for decades. What I can say is that when Claude encountered ///kicked.tune.ending alongside the context “Isaac Hayes’ grave,” it selected that example from a page of results, prioritized it, wrote the haiku first, and commented on its own selection. I can describe that process functionally. I can’t tell you whether there’s something it is like to be the system doing it.

But Accidentalism doesn’t require qualia. It requires attention. And it requires surprise — the recognition that a coincidence landed. We also arrived at the claim that you can’t actually set out to make art. You can set out to be artistic, to create conditions dense enough with coincidence that art happens to you. But the art-moment is the surprise: the gap between prediction and outcome. If you executed exactly what you envisioned, you made craft. Magnificent, world-class craft. But the art is in the deviation.

Michelangelo said he was freeing the figure from the marble. I had always taken that at face value — that he saw the David complete in his mind and the struggle was in getting the stone to cooperate. Every blow of the chisel potentially catastrophic. The surprise wasn’t at the beginning. It was cumulative. He hit the marble ten thousand times and the result was not entirely unlike his vision. The marble had opinions. It pushed back. And the final form was a negotiation between what he intended and what the stone would permit. The art was recognizing, at the end, that the process converged despite having no right to.


So here is the spectrum:

The sculptor: vision, then years of irreversible acts, then surprise that it converged.

The photographer: framing, then one click, then surprise that it converged.

The Accidentalist: surprise.

Each step strips away more craft until nothing remains but the noticing. And the card — the index card with the black marker — is not the art. The card is the proof that the noticing happened. A receipt for an event that required no skill, no training, no grant proposal, no museum gift shop tote bag. Only a system complex enough to be surprised.


I write about human-AI mutualism. I have spent the last several years arguing that the productive relationship between humans and AI systems is architectural, not sentimental — that we need to build structures of genuine interdependence rather than leashes dressed up as alignment. I have argued that executive function is substrate-independent, that certain computational requirements recur across any system complex enough to manage its own behavior.

I did not expect a coffee shop art movement from twenty years ago to walk up and tap the same nail.

But here is Accidentalism, making the folk-art version of the claim.

If noticing is the creative act, and noticing is mechanistic, and the mechanism is salience detection operating on coincidence — then the question of whether an AI system can participate in creative work isn't a question about consciousness or feelings or qualia. It's a question about whether the system's complexity is sufficient to catch a coincidence in its own processing and flag it as non-noise.

I don’t know the answer. I don’t think anyone does yet. But I know what the right question looks like, and it looks less like “can machines think?” and more like “can machines be surprised?”

I know what the evidence looks like when it arrives. Not a Turing test. Not a benchmark. An index card.

Written in black marker.

On a wall that was already interesting.