Careful. According to the crevos you can't be a Christian or a conservative if you don't believe as they do.
Never mind that magnetic fields fluctuate, including Earth's, and that it is NOT linear in value. But that would be science based on observation, not scripture, so to them, irrelevant.
Humphreys thinks our magnetic field has flipped very quickly several times over the last 6,000 years using some pretty surreal logic.