Black holes are more than just massive objects that swallow everything around them – they’re also one of the universe’s biggest and most stable energy sources. That would make them invaluable to the type of civilization that needs huge amounts of power, such as a Type II Kardashev civilization. But to harness all of that … Continue reading "Advanced Civilizations Could be Using Dyson Spheres to Collect Energy From Black Holes. Here’s how we Could Detect Them"