Jacob, who is small, circles around this monument to technology, kept out of the way of the main bus routes. Mr. Fermi thought that this bomb (not the marker, though perhaps it has aspirations to reincarnate form) would ignite the atmosphere, and burn the world, so rubbed himself down with suntan oil and waited for that. Others thought it just wouldn't' go off. Both were wrong... the effect was (still is) somewhere in between the End of the World and Nothing At All. That's why We The People keep buying them... as an investment in the future.