The Kardashev Scale: Energy, Thermodynamics, and the Search for Alien Civilizations
Soviet astrophysicist Nikolai Kardashev's 1964 energy scale categorizes hypothetical civilizations into Types I, II, and III. Far from mere science fiction, the framework underpins modern Dysonian SETI by grounding alien detectability in the unavoidable laws of thermodynamics and infrared waste heat.