transport

A ship can weigh thousands of tons. It's made of steel. It carries containers, cars, fuel, or even floating cities full of passengers. And yet… it floats. Meanwhile, a small coin falls into the water and sinks instantly. How is this possible? Why do ships float? The answer isn't just about weight. It's about a physical law discovered over 2,000 years ago and a concept that completely changes our intuition about what "heavy" means. The principle that explains everything The ex

You look out the window during the flight. Clouds below, endless sky above. Everything seems normal… until you ask yourself a curious question: Why are airplane windows round? They could be square. Or rectangular. Like those in a house. But they aren't. And the reason isn't aesthetic. It's a matter of physics, pressure, and a lesson learned dramatically in the history of aviation. When windows were square In the early years of commercial aviation, some airplanes had almost re