 I mean, I just don't even understand at all. Well, it turned out, initially we thought, I thought for 20 years, that it had to do with electromagnetism. So that's electricity and magnetism together. But we found out in 2018 it was really just a static electricity effect, which meant no current and the charges are static. That's a big distinction. It just happened to be the area of expertise that I am at NASA is being an electrostatic expert for the agency. So...