> 3) We have sticks and stones and whatever is in our brains. Start fresh like a game of Factorio and see how well you can do on a speed run. I don't recall ex

> 3) We have sticks and stones and whatever is in our brains. Start fresh like a game of Factorio and see how well you can do on a speed run. I don't recall exactly where (some large ouvre like The Culture, or The Polity), but some SF novel referred in passing to this becoming an extreme sport: Your team is dropped with no supplies on an uninhabited planet, and you try to bootstrap back to an interstellar capability. IIRC, the aside mentioned that the current record was ~70 years, by a team genetically engineered for ultra-efficient digestion and no need for sleep.