I thought that the word "radioactive" meant if you turned on a radio near the thing in question, it would blow up (the radioactive thing, not the radio itself).
A childhood belief about physics

others believed things like this
- I thought if something was radioactive it meant if you turn on a radio near it it would blow up— Nate
- i used to believe that if you were a kid and u turned the radio on in your car then the car would blow up— steph
- My sister told me not to touch hail stones because they were radioactive. — Mary K
- I used to think that when Dad turned the radio up in the car the artist was made to sing louder!!— Sparks
- I use to believe all the people singing on the radio were IN the radio.— Yvonne
- I used to believe when a radio anouncement for a club said "No Cover" that meant No Clothes.— Aaron