Guides from Type 2 Civilization

Longer, plain-language pages on the questions this site exists to answer.

Capturing a star's energy A Type II civilization would collect the energy of its star, most likely with a growing swarm of collectors. The physics, in plain language.
How the Kardashev scale works The Kardashev scale ranks civilizations by the power they use. Here is the original three-rung idea, Sagan's decimal formula, and what a tenth of a type means.
What is a Type II civilization? A Type II civilization uses the energy of its star. Here is what that means, where the idea came from, and why it is a goal rather than a schedule.
Where humanity sits on the scale Humanity is about a Type 0.73, using roughly twenty trillion watts. Here is what that number is based on, and why the remaining climb is still large.