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What could alien civilizations look like? How would they meet their enormous energy demands? And will humanity ever become a planetary civilization? Jirk's IG: / jiriburysek Discord: / discord If you want to support the channel, you can become a member and get access to various benefits: / @jirkavysvetlujeveci Chapters 00:00-4:59 Are we alone? 5:00-7:29 Type I: Planetary Civilization 7:30-8:32 Grand Filter 8:33-9:00 Type II: Stellar Civilization 9:01-11:39 Dyson Sphere 11:40-14:05 Type III : Galactic Civilization 14:06-19:21 Type 0.72: Humanity