closed loop systems, space container, life support, circular systems

The space container thought experiment: systems thinking for survival

You wake up. It’s dark. You hear a soft humming — fans, somewhere. Slowly your eyes adjust to the light. You find yourself in a container. Metal walls, a few windows looking out at… stars. Only stars. No Earth in sight. There’s a note: “You have everything you need to survive. Nothing goes in, nothing goes out. Good luck.” This is the thought experiment I regularly discuss when I’m in a philosophical mood with friends. It sounds like science fiction, but it’s actually a lens to think about systems thinking, circular processes, and — if you extrapolate — about how we treat the Earth. ...

January 20, 2026 · 7 min read · Tom Meurs