HN never fails to surprise me with comments like these that can dole out exact numbers for very niche and specific hypotheticals. How on earth do you know all of that?
I'm not the person you're responding to, but my "strong magnets aren't lethal to people" knowledge is based (in part) on a Veritasium YouTube video[0] where they visit the "World's Strongest Magnet" and do shenanigans.
