I once believed that I could look into photographs, like you would a window, and look "around the edges" by holding them at an angle (also see further into the distance in the photo using binoculars).
A childhood belief about technology

others believed things like this
- i used to believe when someone died their image on photo's would disappear— beryl's girl
- I used to believe a mile was the distance between telephone poles.— Allegra
- Airplanes got places faster because it was actually a shorter distance up there.Anon
- My mom used to tell us kids that if you put your arm out of the car window,that it would fall off.— Kathy G.
- I used to believe that the moon lived on top of our house because I could always see it from the window.— Classic NYer
- When I was little I thought a widow was someone who stares at you through a windowAnon