A newsletter by a mathematician and philosopher exploring the mathematics and philosophy of the infinite, including set theory, paradoxes, and the foundations of mathematics. Issues include essays, video lecture posts from a lecture series, and historical and technical discussions of topics such as ordinal definability and the rules of chess.

A personal essay newsletter from Brian Dunning-style natural philosophy writer exploring AI's cultural impact, parenting, and civilizational themes through polemic and literary references. Readers get reflective, opinionated takes on technology, culture, and history rather than news or practical guidance.

Long-form essays by a technically trained author on mathematics, physics, programming language design and game development. Each piece builds careful conceptual arguments, such as separating models from laws and interface from implementation, and corrects popular misconceptions.

Logicae is a Korean-language newsletter that explains mathematics, science and technology in long, structured series. Its current series walks through quantum chemistry step by step, covering atomic structure, the Bohr model, the variational method and perturbation theory.