I used to believe that houses were built on ball-bearings about the size of a bowling ball. Much later I realised that this must have stemmed from my dad trying to explain that the world was round.
A childhood belief about physics

others believed things like this
- I used to think volleyball was actually called "ball-y ball"Anon
- My sister used to tell me that Victorian houses were shiped from Victoria after they were built.Anon
- Thunder was my dead uncle in heaven playing a round of bowling with God.— Mike
- I was told as a kid that when it thundered, God was playing basket ball. LOL! — Tony
- I used to believe that your brain was a red rubber ball inside your head.— Greg
- I used to belive that the New Years ball exploded, and people who were near it died.— Angela