Low-Tech Kardashev-2 Civilizations

Kardashev-2 Civilizations are hypothetical empires which encompass entire stars, with access to billions of times the energy Earth has, often seen as builders of megastructures like Dyson Spheres. But could civilizations with only the technology we have become Kardashev-2? Visit our sponsor, Brilliant: Join this channel to get access to perks: Visit our Website: Join Nebula: Support us on Patreon: Support us on Subscribestar: Facebook Group: Reddit: Twitter: on Twitter and RT our future content. SFIA Discord Server: Credits: Low-Tech Kardashev-2 Civilizations Science & Futurism
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