]How powerful of a nuclear bomb could we make?

[Marlin]

The article sites the size of a weapon as part of the restriction in it's use but considering Russias Poseidon torpedo/drone I disagree.

How powerful of a nuclear bomb could we make?

https://bigthink.com/the-future/more-powerful-nuclear-bomb/

[Marlin]

Russia's Doomsday Nuclear Torpedo Drone Could Murder Billions

https://nationalinterest.org/blog/reboot/russia%E2%80%99s-doomsday-nuclear-torpedo-drone-could-murder-billions-186879