What if the Moon were made of Protons?

How long could you drive towards the sunset?

What if half the human population ate the other half 🍽️

What if we turned the moon into a black hole?

Could you power your computer by typing?

What if you used a microwave as a snowblower?

How long could the human race survive on only cannibalism?

What would happen to the population if the Earth suddenly stopped spinning?

Weird and worrying questions

This chart shows what not to bring to a fire #xkcd

What if everyone on Earth was in the same place and jumped at the same time?

Why is the sky blue?

What if you funneled the Niagara Falls through a straw?

What if you tried to hit a baseball pitched at 90% the speed of light?

What if we built a billion-story building?

What would your country be like if the land masses were rotated by 90°?