Three ways a material answers a load.
Elastic. It deforms, and when you take the load off it returns exactly to where it was. No memory. Nothing retained. As far as the material is concerned, nothing happened.
Brittle. It holds, and holds, and holds, and gives no indication of distress, and then it fails completely and all at once with no warning at all. Glass does this. Cast iron does this. Very hard things do this.
Plastic. It deforms past the point of return, and it stays deformed, and it goes on carrying the load in its new shape.
i can't change my face. i can't change my race. i can't even change the crack in my phone case. so: my reaction. my interaction. my sense of action. plasticity. the material doesn't break. it takes a new shape and keeps the load.
the thing that took me years to notice
In every class I have ever sat in, plasticity is taught as a kind of failure. Permanent deformation. The part is out of spec. It will not go back.
And I sat in those classes as a person who had spent fifteen years trying to be brittle on purpose. Hard. Unmoved. Returns to original position, no memory of the load.
Very hard things do not bend.
They just fail
without warning.
what carries over
I want to be careful, because engineering metaphors about feelings can get extremely corny extremely fast, and most of them do not survive contact with an actual engineer.
But this one holds, because the mechanism is the same, not just the vocabulary.
- A constraint is often what makes a system work, not what limits it.
- Failure is data. It is the most information-dense event available, and the only reason it feels like a verdict is that we take it personally.
- You cannot optimise something you refuse to measure honestly.
- Every real design is a set of tradeoffs. There is no configuration where you win on every axis, and looking for one is how you end up shipping nothing.
- Iteration beats planning past a certain complexity. You have to build the bad version to find out what the question actually was.
I learned all of that at a bench with parts that did not work, and then found out it was all also true about a person, which was annoying, because I would have preferred to keep those two things separate.
The material doesn't break.
It takes a new shape
and keeps the load.
Everyone in this story except me is unnamed — her, a friend, my father, someone. It is my story to tell and theirs to keep. Names are not hidden in the page source either; they were never written down.