Did you know that the Gazan bomb disposal teams are some of the most skilled in the world? The reason for this is so they can disarm and disassemble unexploded Israeli bombs so that the explosives can be repurposed and fired back. So a surprisingly large portion of the explosives that Hamas used were supplied by Israel via their long-term sporadic bombing of Gaza and anything resembling major infrastructure.
Project sundial was a cold war American project to build a bomb so big it wouldn’t matter where it was detonated It was a true doomsday weapon