THE KARDASHEV SCALE. We have no idea what an alien civilization would look like. Humans are evolved primates. What if an alien species is reptilian? Or more like an insect? Or a hybrid of these?

In a recent podcast, Andy Mcgrillen and Dan Zetterström covered a wide range of topics, with a standout subject being the Kardashev scale—a system ... West planet, with each planet populated ...