Concrete ships sound like a bad idea, but Archimedes' Principle proves otherwise. Here is why engineers turned to this ...

There are many complicated ways a physicist could explain how a 100,000-tonne cruise ship can stay afloat in the water, but a four-pound brick will sink to the ocean floor. They could use math (a lot ...

Ships survive at sea through a careful balance of buoyancy, stability, propulsion, and watertight protection. But once flooding begins inside the hull, even massive vessels can quickly become unstable ...