Japan has been quietly and consistently working on space-based solar power for more than three decades, long before it became a popular topic in futuristic illustrations and social media posts. Through JAXA, the Japan Aerospace Exploration Agency, the country began researching the idea in the 1990s as a long-term solution to structural energy constraints. The core concept is simple in theory but complex in execution: collect solar energy in orbit, where sunlight is constant, and transmit that en

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