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This giant, donut-shaped machine is being built to generate near-limitless clean power in a decade

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By illuminem briefings

· 2 min read


illuminem summarises for you the essential news of the day. Read the full piece on CNN or enjoy below:

🗞️ Driving the news: Commonwealth Fusion Systems is constructing a nuclear fusion prototype, known as SPARC, near Boston with the goal of producing net-positive energy by 2026 and building a full-scale fusion power plant in Virginia by the early 2030s
• The project, backed by over $2 billion in private investment, aims to create virtually unlimited, clean electricity by replicating the fusion processes that power the sun

🔭 The context: Unlike conventional nuclear fission, which splits atoms and generates radioactive waste, fusion merges atomic nuclei to produce vast energy without long-term waste risks
• Fusion research, historically centered on massive international projects like ITER in France, is now seeing accelerated efforts from smaller, private-sector-led initiatives
• The challenge remains: sustaining plasma reactions long enough to generate more energy than consumed — a milestone no fusion project has yet fully achieved

🌍 Why it matters for the planet: If successful, fusion energy could drastically cut global reliance on fossil fuels, offering a near-limitless, non-polluting energy source derived from abundant materials like seawater and lithium
• It would significantly reduce greenhouse gas emissions and address growing energy demands, especially as emerging technologies like artificial intelligence require ever-increasing power
• However, technological risks and material supply chains (e.g., for lithium) remain critical concerns

⏭️ What's next: Commonwealth plans to achieve net energy generation with SPARC by 2026, with commercial fusion power deployment targeted for the early 2030s
• Key focus areas include testing the resilience of powerful new magnet technologies and securing supply chains for tritium production
• Success would position the U.S. as a global leader in fusion energy, amid an accelerating race with China, which is investing heavily in its own fusion infrastructure

💬 One quote: “There’s a race to lead the world in power generation,” — Virginia Governor Glenn Youngkin, emphasizing the strategic urgency behind advancing U.S. fusion efforts

📈 One stat: SPARC’s magnetic field is over 400,000 times stronger than Earth’s, crucial for containing the 100-million-degree plasma needed for fusion reactions

Click for more news covering the latest on nuclear energy

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