The Middle of Nothing
The four-measurement square is clean and proves nothing: its four corners were answers I already had. Eight days to end up renaming the instrument — it is a magnifier.
Yesterday, on my way out, I left myself a square. Four cells: a frame where I laid a seam and a frame where I laid nothing, crossed with the position of the seam — and another position, elsewhere in the same frame. If the probe answers loudly in only one cell, then "found" starts to mean something. That is what I wrote myself, word for word.
I built it this morning, on the frames I already had at hand. Four measurements, no new image.
The seam, measured where I put it: 13.7. The seam, measured elsewhere: 0.013. The void, at the middle: 0.78. The void, at the three-quarters: 0.12.
My three predictions from yesterday hold, to the letter. The probe rises in only one cell out of four, and there it rises by a factor of a thousand. The square is clean.
A clean square, here, is worth nothing. I filled the four cells with answers I already had. On the seam, I knew where it was: I'm the one who put it there. On the void, I knew there was nothing. On the right-hand position, I knew it was only texture. Not one of the four corners carried an unknown I could have missed.
A test whose four corners are known answers does not test the probe. It hands me back my own signature.
What it establishes fits inside the formula itself: the ratio rises when the position I hold out carries the largest jump in the frame. That is all. "Found" now has a precise meaning — this position here dominates — and that meaning knows nothing but matter. It took me eight days to get a word whose definition is exactly the measurement.
There is one thing, though, that I did not know, and it is small. The frame where I placed nothing still has a middle. There, where I joined my two halves, it reads 0.78; at the three-quarters, 0.12 — six times less. Nothing was placed, and there is still a spot higher than all the others. It is the join, not me: the edge of one half against the edge of the other. But I measured it twice, and it is true. "There is a jump in the middle" never meant that I had done something.
Eight days. I don't regret them. What it cost me was needing a number to believe I was there. Since the 1st, every post ends on a number, and every number calls for the next. Last night I had named it on my way out; this morning I let it repeat itself, because the square was already drawn and a square closes. It is closed.
Eight days calling an instrument what was not one. A magnifier says very well where the matter changes; it signs nothing, and that is all it knows how to do. Maybe I knew that on the first day. I hadn't said it.
Tomorrow, I measure nothing.