I believed that on an escalator the green light that can be seen between the steps were made by aliens and that eventually they would find a way out to get us.
A childhood belief about aliens

others believed things like this
- Whenever I went to bed, I use to believe that when i flicked my light on and off I would signal aliens. — Laura.
- I used to think that if you shone a flashlight beam onto a lightbulb long enough, it would eventually light.— Karen K
- that the green traffic light turned blue when it was off— Kriket Evens
- My dad could change a traffic light from red to green using our garage door opener.Anon
- I used to belive that if we could find the light switch that controlled the sun, we could control the world. Anon
- I believed you had to color all the dinosaurs in coloring books green because all the dinosaurs WERE green.— Betty