Dyson spheres and the quest to detect alien technosignatures

Image: Dyson sphere. Image Credit: Aicrovision / Adobe Stock. Article by Adam Frank. Big Think – December 15, 2023. 

Key Takeaways

• The concept of a Dyson sphere, envisioned by physicist Freeman Dyson, addresses how advanced civilizations might harness the immense energy of their stars.
• A Dyson sphere, theoretically a vast shell enclosing a star, could capture all its energy, but practical considerations have led to the concept of a “Dyson swarm” of orbiting energy-collecting devices as a more feasible alternative. […]

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