HackerTube / Video
Sand Castle Holds Up A Car! - Mechanically Stabilized Earth
Practical Engineering
Practical Engineering explains Mechanically Stabilized Earth, where layers of reinforcement make soil strong enough to hold heavy loads, shown with a sand structure supporting a car. It notes that MSE walls are everywhere in infrastructure.
Often named as a great first video from Practical Engineering and as the explanation of reinforced earth.
6 Hacker News mentions · 2016–2026