"Can forests think? Do dogs dream? In this astonishing book, Eduardo Kohn challenges the very …
A glass flask is as much about what it is as it is about what it is not; it is as much about the vessel blown into form by the glassmaker — and all the material qualities and technological, political, and socioeconomic histories that made that act of creation possible — as it is about the specific geometry of absence that it comes to delimit. Certain kinds of reactions can take place in that flask because of all the others that are excluded from it.
— How Forests Think Toward An Anthropology Beyond The Human by Eduardo Kohn (Page 35)
This section on absence is interesting. I've never thought about technologies for what they exclude by being in the world, more what they create or change.