I've always thought that metacentric height would make the perfect try-at-home in your bath tube experiment against Flat Earth. If the center of buoyancy and th

I've always thought that metacentric height would make the perfect try-at-home in your bath tube experiment against Flat Earth. If the center of buoyancy and the center of gravity were indeed the same, every ship would be rolling like a log and there weren't any differences in types of ships and hull shapes at all. However, I guess, those adhering to said fancy model must not be bothered by such complexity of thought…