Constructive Criticism

Recent posts

Apr 10, 2026
A Haggadah from the Future
Here is one possibility, the one taken up by this haggadah: our Jewishness can be a particular, concrete, socially embodied expression of the idea of abolishing social class which, for convenience, we call …
Mar 26, 2026
How is qualitative change possible?
An important principle in the philosophy of dialectics is the transformation of quantity into quality. That is, a system which undergoes a significant enough “quantitative change” which eventually …
Jan 24, 2026
Hyperbolic geometry exercises
Just wanted to write up some solutions to problems in hyperbolic geometry as practice. Here is one. Proposition. An isometry of the upper half-space model whose only fixed point is $\infty$ has the form $(x, t) …
Oct 16, 2025
How to have the computer draw for you (without AI)
I am a lazy artist. For example, for a recent piece, I wanted a curvy set of train tracks, like this: But I wanted to be able to see what the whole curve would look like without having to paintstakingly draw …
Apr 17, 2025
How to make a call tree that still works when people flake
I believe techniques from math and science are able to help us produce stronger organizations (if the educational and political barriers can be worked through). If this is true, we should probably be able to …