> why does it need to be on Mars? Just build it on earth The point is to make humanity resilient to what would otherwise be an exctinction-level event, such as

> why does it need to be on Mars? Just build it on earth The point is to make humanity resilient to what would otherwise be an exctinction-level event, such as an engineered superplague, weaponized nanorobotics, or a massive asteroid impact.