The Mirror and the Loom: Bounded Observer SandboxOne observer, one computationally irreducible world, three views of the same limit: how much it can predict, how its grain changes what is knowable, and how its coarse-graining manufactures the arrow of time. Pick a rule and move the sliders. The rule (single-seed spacetime) The top image is the world running from a single black cell.https://leokold.github.io