CERN Online on Instagram: "🌞 Fusion Power Awakens: ITER Hits Critical Phase! 🔥 The world’s largest fusion experiment just crossed a milestone—ITER (International Thermonuclear Experimental Reactor) is now in its critical assembly phase, building a sun on Earth! ✨ Set to ignite by 2035, this 23,000-ton beast in France aims to generate 500 MW from just 50 MW input—clean, limitless energy from hydrogen fusion.💡 🔬 How It Works: 440+ superconducting magnets (1,800 tons) will trap plasma at 150 mi