I had a terrible time remembering the name for mechanical pencils. I always called them electrical pencils.
A childhood belief about technology

others believed things like this
- When I was little I thought "Pencilvania" was a huge store that sold pencils and nothing but pencils.— Tim
- i used to believe you couldn't draw on erasers with pencils because it would erase itself— Samantha
- I used to think the entire state of Pennsylvania was made out of pencils.— Pencil-vania
- I used to believe that people got lead poisoning from being stabbed (accidentally) with pencils.Anon
- As a kid, I thought "No Outlet" signs meant the houses past that point didn't have any electrical outlets.— Julie
- My music teacher once said that music in an electrical piano was made by little tiny men that lived inside it.Anon