Have you ever wondered how elevators work? Or how the flags are hoisted at the top of the pole during Independence day? Have you ever looked at construction sites and thought about how they take heavy materials to the top floors? All your doubts and thoughts and questions have but one simple and small answer- A pulley. Wait, what’s a pulley? listen to this entire podcast as I tell you about a miraculous simple machine that saves us so much time and effort! So, let’s roll!