Posts by Catgut
Gunpowder, also known as black powder, is some nasty stuff. It's extremely corrosive, it produces large amounts of obstructive grit and fouling, and using it creates a cloud of obscuring smoke. So...
Suppose we've colonized a planet with 99% of the surface area covered by oceans. It has submerged continental crusts, averaging 200-500m underwater, with the average depth of open ocean being 1000-...
