SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "Ship propellers may look simple, but creating one requires precision engineering, metallurgy, and advanced manufacturing techniques. Here’s a step-by-step look at the process: 1️⃣ Design & Simulation: Engineers start by designing the propeller digitally, optimizing blade shape for efficiency, thrust, and durability using simulation software. 🖥️ 2️⃣ Casting the Metal: Large propellers are usually made from bronze or specialized alloys, melted