It's hard to overstate how much of a mad engineer Edward Teller was. A bunch of the other scientists involved in nuclear testing has second thoughts. Teller? Decides H-bombs weren't enough
Teller broached “the possibility of much bigger bangs.”
.. two new weapon designs, Gnomon and Sundial. Gnomon would be 1,000 megatons and would be used to set off Sundial, which would be 10,000 megatons.
https://thebulletin.org/2021/11/the-untold-story-of-the-worlds-biggest-nuclear-bomb/
US nuclear history - Teller
@Doephin What the fuuuuuuuuuck?!