Engineering | Science | Technology on Instagram: "Light seems simple — it just travels in straight lines, right? Well… not exactly. Once it hits a surface that can bend it, everything changes. 🔦💡 When light passes through a lens, its path shifts depending on the lens’s shape and material. A convex lens bends light rays inward, pulling them together toward a focal point — that’s how magnifying glasses and cameras focus. A concave lens, on the other hand, bends rays outward, spreading them apart

Best light experiments explained