Why massive steel vessels stay afloat and use round windows

The Science Behind Ships, Hull Lines, and Portholes | Compilation · 21:38 · Video: History of Simple Things · Watch at the source

In short: From the physics of buoyancy to the geometry of hull design, this compilation explores why ships are built with specific aesthetic and structural choices. It reveals the engineering logic behind features we often take for granted.

The video examines three distinct maritime features: how massive ships maintain buoyancy, the purpose of the lines painted across hulls, and why portholes are almost exclusively circular rather than square. It explores the hidden science and engineering required to make these structures functional and safe at sea.

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