I used to think that lbs. stood for a form of measurement called labs. I felt like an idiot when I realized it meant pounds.
A childhood belief about physics

others believed things like this
- I used to think that the abbreviation lb (for pounds) stood for Lilla-blams (like Kilograms)— Jake
- I used to think that pounds were called lubs since they are notated as lbs..— Katie
- When I was little i thought lb for pounds was pronounced lubs, and i called them that for 2 years. Anon
- i used to believe (because my dad told me so) that AM stood for "awful music" and FM stood for "fine music"— skydvgrl
- I used to believe anyone who disagreed with me was an idiot.— Catte
- i used to believe the quarterback was second in command (what an idiot i was)Anon