Question: User: Visual Prompt for AI Video Generator: Prompt: High-tech 3D animation showing a flexible fiber optic cable with a high-index glass core surrounded by a lower-index cladding[cite: 13]. Light pulses enter the core and bounce repeatedly along the inner wall via continuous Total Internal Reflection, staying trapped even as the cable bends[cite: 13]. Camera zooms out smoothly to a 3D satellite map view of Egypt, showing submarine telecommunication cables landing at Alexandria on the Mediterranean coast[cite: 13]. English Voiceover & Text: Voiceover: "Total Internal Reflection powers our global internet[cite: 13]! Inside fiber optic cables, a higher-index core surrounded by lower-index cladding keeps light trapped inside through repeated internal reflection[cite: 13], routing massive data streams straight across oceans to landing points like Alexandria[cite: 13]!"