People who know there is a god and people who know there isn't live in exactly the same world. Same number of hours in the day, same weather, same football results. They both love their children and die of the same diseases.
Measuring nuclear yield depends on multiple parameters - the location and number of instruments, the geology of the area, the location of the seismic station in relation to the test site.
A surprising number of people - including many students of literature - will tell you they haven't really lived in a book since they were children. Sadly, being taught literature often destroys the life of the books.
It's much like playing jazz, flying. It's multitasking in real time. You have a number of instruments that alone won't tell you exactly what the airplane is doing but together give you a picture of everything that's going on.
I've actually started a number of businesses in my career. So I'm 28 currently, but when I was about 16, I started building Websites, and that's how I put myself through school. I went to Duke with a degree in electrical engineering, computer science, computer engineering, and then to Princeton.