I could NOT understand why, if a pen worked on paper, it couldn't also write in thin air.
A childhood belief about physics

others believed things like this
- I used to think that boysenberry was poisonberry and couldn't understand whay anyone would want to eat it.Anon
- When I was little, I couldn't understand why people called me a tomBOY, instead of a tomGIRL.— Amanda
- Mom couldn't understand why at dinner time I wanted Chicken Pox.— Kristin
- I couldn't understand why my grandmother wore an ear-grenade (hearing aid). It sounded very dangerous to meAnon
- I used to beleive in stores that were open 24/7 , that the people that worked there worked 24/7 nonstop.Anon
- I used to belive that employees who worked at 24/7 shops lived there and never slept!(they worked 24/7)— tilly Waukesha WI