durability of ilmenite concrete in seawater

Infrastructure - Atomic Rockets

A starship is not an independent entity—no more than a jet plane is independent just because it can leave the ground. Imagine for a moment, a fully loaded 747 jet airliner flying from Los Angeles to New York.

Glossary - AMM

Antimony. Antimony is a lustrous, extremely brittle and hard crystalline semi-metal that, in its most common allotropic form, is silvery white. Antimony is a poor conductor of heat and electricity.