>ears get erased
>phones remain
>nukes get erased
>research facilities, documents, evidence from prior experiments, etc, etc remain
In reality, by the logic given to us in the story, every country that had a nuclear program at the time Pochita ate Nuke would have functioning atomic weapons by now regardless.

But sorry I'm a slant eyed hack so I can't think about these things for more than 10 seconds have a contrived mess instead.