I thought if you are exposed to radiation you would instantly mutate and grow extra arms or something like in the comic books. I also thought it could turn you into part animal-part human creature
A childhood belief about physics

others believed things like this
- when I was little my uncle told me he was part bear. I believed people could be part bear until I was twelve. — Audrey
- When i was little i thought that the soul was a physical part of your body that looked like shell pastaAnon
- i used to beleive taht when you turned 14 years old you wuld grow an extra toe— kirsty
- For the longest time I thought Pig Latin was an actual language that they spoke in a part of Europe.Anon
- I used to believe that if you used people shampoo on a dog, the dog would turn into a human.Anon
- I thought a Prime Minister was some kind of religious leader, due to the "Minister" part— Darth Carrietta