I used to believe a nuclear bomb was powerful enough that it would actually split the world into tiny pieces that would float around the solar system. Needless to say, once I found out about its capabilities (less powerful than what I originally believed), nuclear attack has never really worried me as much as other people.
A childhood belief about technology

others believed things like this
- When I was 5 years old I tought it would be a nuclear war every time I'v played with playmobil.— Sgt. Miller
- When I was a child, I used to believe that my dad was the most powerful and strong man on earth. — LM
- when I was small I always thought that the solar system ended, and then it was just white paper after that— sparrow
- I thought a major general is more powerful than just a general (which still kind of makes sense to me)— Demond
- When I was a kid, I used to believe a nuclear plant was a clouds plant and could make magic clouds.— Tommy
- I used to think when you smelled a fart, that you were breathing in tiny pieces of poop.— brandypandy