Lab book
Problems we couldn’t put down.
Written by Oliver Walker for RhoStone. Deep dives work one problem through with numbers. Thoughts are shorter: something from the work that stayed with me.
- Oct 2026What happens after the scoreA score of 0.6 nobody knew how to act on, and a credit team that can review thirty accounts a week.ThoughtsData · AI · Finance · Law2 min read→
- Sep 2026What a notice clause looks like to an engineerA 14-day defect notice clause read as a state machine and as a financial variable, and what the translation loses.Deep diveLaw · Finance · Systems4 min read→
- Sep 2026Deciding what a model can ignoreA battery, a grid model and the round-trip losses that flip its answer when you leave them out.Deep diveSystems · Data5 min read→