Why is the sun apparently much brighter than the other stars in relation to its distance from the Earth?
If a car runs at the speed of light, will the headlights work?!
Why does sugar dissolve faster in hot tea than in iced tea?
Why is space dark?
How was the atom formed?
How does an email travel from one device to another?
Why did people used to think that the world was flat?
If a tree falls in a forest and no one is around to hear it, does it make a sound?
When did time begin?
How is rainbow formed?