Expanding the observable universe

I have a confession to make: I struggled for a long time with the statement: “Observability helps you uncover unknown unknowns.” It never quite sat right with me. If you can uncover an “unknown unknown” using Observability, wasn’t it always, in some sense, a known unknown? Or perhaps even an unknown known you just hadn’t noticed? That logical loop kept bothering me. Recently, I realized where my understanding failed, and thought this might be worth sharing: ...

2025-05-19 · Severin Neumann · Blog