I used to belief that when a picture was taken the film would somehow be on the floor and then later in the day the photographer would dig it up and develop the picture. (the camera was just the mechanism to capture and somehow send the picture to the floor)
A childhood belief about technology

others believed things like this
- When I was about maybe...8 i used to think that picturesque was pronounced picture-skwehAnon
- When I first saw a picture of the human anatomy, I thought the brain was really snot.Anon
- I used to believe that God looked exactly like the picture of Abraham Lincoln on an American penny.— Leah
- i used to believe that shredded wheat was harvested from niagara falls because of the picture on the box— gord
- I used to picture God as a giant transparent poodle after seeing "All dogs go to heaven".Anon
- Whenever I saw a picture of a whale spouting water, I thought it was urinating.Anon