civilext on Instagram: "Engineering meets art 🎭 That’s how the iconic Sydney Opera House was built – a masterpiece on the water 🌊” Would you love to see more construction wonders? 🔨✨ Follow for more! #SydneyOperaHouse #EngineeringMarvel #ConstructionWonders #CivilEngineering #ArchitectureLovers #MegaProjects #EngineeringFacts #IconicStructures"

Institute of Human Anatomy on Instagram: "The Sound of Severe Arthritis: Cartilage vs Bone-on-Bone Listen closely to this real knee joint dissection - the difference in sound tells the whole story. WHAT YOU'RE HEARING: Tapping on remaining cartilage = cushioned sound Tapping on exposed bone = hard, direct contact This is severe arthritis where the protective cartilage has worn away completely in some areas, leaving bone grinding directly on bone with every movement. BEYOND ARTICULAR CARTILAGE: A