[Towaway69]

> NASA has done it, for the moon landing.

Which one? The one in 1960s or the one which has just been delayed - again?

I think you can just as well develop a first spec and iterate on than coding up a solution, important is exploration and iteration - in this specific case.

[manmal]

Iterating on paper in my experience never captures the full complexity that is iteratively created by the new constraints of the code as it‘s being written.