Beyond red -green-refactor, beyond test-first,
Why do TDD even in a hackathon? Even in code you'd throw away?

I shall walk you on the way i teach TDD to people from the intro
(so if you are a full beginner you are also welcome), exploring a lot of specific techniques (lazy naming, branch notation etc) then beyond all that into the discussion of why it works and how to exploit that : TDD as socratic discussion with the code, TDD as accessibility, TDD as a practice of dynamic meditation.