Talk:The Barrier of Reality/@comment-45351161-20200515153656/@comment-45218397-20200515161100

More specifically, it's the measurement of how advanced a civilizaton is based on their energy output. For example, a type 1 civilization on the kardashev scale can harness the entire energy of their home planet. A type 2 civilization on the kardashev scale can harness the entire energy output of their star, a type 3 can harness the entire energy output of their galaxy, and a type 4 can harness the entire energy output of their universe.