xkcd's What If?

xkcd's What If?

xkcd's What If?

xkcd's What If?

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What if all visible light was a single beam?

What if all visible light was a single beam?xkcd's What If?Video · 5 days ago

What if Earth’s Water Suddenly Disappeared?

What if Earth’s Water Suddenly Disappeared?xkcd's What If?Video · 2 weeks ago

How long could you drive towards the sunset?

How long could you drive towards the sunset?xkcd's What If?Video · 3 weeks ago

What if the Moon were made of Protons?

What if the Moon were made of Protons?xkcd's What If?Video · 4 weeks ago

Weird and worrying questions

Weird and worrying questions xkcd's What If?Short · 1 month ago

What if half the human population ate the other half 🍽️

What if half the human population ate the other half 🍽️xkcd's What If?Short · 2 months ago

How long could the human race survive on only cannibalism?

How long could the human race survive on only cannibalism?xkcd's What If?Short · 2 months ago

What would a rainbow be like on Tatooine?

What would a rainbow be like on Tatooine?xkcd's What If?Video · 2 months ago

What if you used a microwave as a snowblower?

What if you used a microwave as a snowblower?xkcd's What If?Video · 2 months ago

What if we turned the moon into a black hole?

What if we turned the moon into a black hole?xkcd's What If?Video · 2 months ago

What if everything was antimatter EXCEPT Earth?

What if everything was antimatter EXCEPT Earth?xkcd's What If?Video · 3 months ago

What if you funneled the Niagara Falls through a straw?

What if you funneled the Niagara Falls through a straw?xkcd's What If?Video · 3 months ago

What if you had literally had all of the world's money?

What if you had literally had all of the world's money?xkcd's What If?Video · 3 months ago

What if you dropped a bowling ball in the Mariana Trench?

What if you dropped a bowling ball in the Mariana Trench?xkcd's What If?Video · 3 months ago

What would the world's largest cities be like if the land masses were rotated by 90 degrees?

What would the world's largest cities be like if the land masses were rotated by 90 degrees?xkcd's What If?Video · 4 months ago

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

What would your country be like if the land masses were rotated by 90°?xkcd's What If?Video · 4 months ago

Could you power a house with the radioactivity from bananas?

Could you power a house with the radioactivity from bananas?xkcd's What If?Video · 4 months ago