I used to believe that when you yawn you risk floating. As is gravity wouldnt be able to hold onto you, the strange thing was, im sure I can remember watching tv and watching a program about yawning can cause you to float away into the sky.
A childhood belief about physics

others believed things like this
- I used to believe that until gravity was invented, people used to just float around!— Meg
- I thought if someone hadn't passed the Law of Gravity, we would all be floating around in space.— Trudee
- I used to beleive that a straw would float in soda because a little invisible elf would hold it up.— Mike
- when i was about 5 or 6 i thought sombody was watching me on t.v like i was watching them. — leigha
- I used to believe that the roars from airplanes was the earth yawning.— Natasha
- I was told that if one doesn't cover their mouth when yawning that their soul would escape.Anon