March 8, 2026. Sparse autoencoders (SAEs) are a crucial mechanism for extracting interpretable information from a neural network. In this post, we explore the decay of recoverability with the size of the SAE, guided by work from compressed sensing.
February 6, 2024. This essay reflects on what made Bell Labs so successful as an βinstitute of creative technologyβ, why that success has been so hard to replicate, and how one might attempt to replicate it in a distributed, self-organized, and rebellious fashion.
January 17, 2024. In the first issue of 6IT: the mathematics of supervising children; unreliably clairvoyant demons; why the sky is blue (and why it isnβt); a Poisson process for primes; sychronizing fireflies; and quantum error correction from Penrose tilings.
December 2, 2023. Introduction to the site and its author.