This interactive map from CarbonBrief shows how America generates electricity. Each circle represents a power source, color represents type, and size represents output.
See also a more edited version from The Washington Post a couple of years back.
I simulated a day for employed Americans to see when and where they work.
Before you dive into the advanced stuff – like just about everything in your life – you have to learn the fundamentals before you know when you can break the rules.