Navigator Theory (opens in new tab)

Navigator Theory is a test for when someone’s beliefs stop being private eccentricity and start becoming my problem. People believe wrong things all the time. I believe wrong things all the time. Most of the time that is just the background radiation of being human. It does not matter very much if someone has a weird model of the world in a domain where they are not touching anything load-bearing. But suppose I am a passenger on an ocean-going ship in the 1800s. If the navigator believes the ...