Explaining The Universe on Instagram: "@ExplainingTheUniverse teaches you something NEW everyday day 🧠💫 Road rollers, also called rollers or roller-compactors, are heavy construction machines used to compact soil, gravel, asphalt, or other materials when building roads and foundations. They work by using their large, heavy drums or wheels to press down on the surface, reducing air gaps and increasing density so the ground becomes stable and smooth. • #explore #reels #viral #universe #explainin