xkcd's What If?

xkcd's What If?

xkcd's What If?

xkcd's What If?

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Can you drive west to lengthen the sunset?

Can you drive west to lengthen the sunset?xkcd's What If?Video · 6 days ago

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

What would happen to the Earth if it suddenly stopped spinning?xkcd's What If?Video · 2 weeks ago

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

What would happen to the population if the Earth suddenly stopped spinning?xkcd's What If?Video · 3 weeks ago

Could we survive eating only humans?

Could we survive eating only humans?xkcd's What If?Video · 4 weeks ago

How detailed would the Hubbles images be if it looked at Earth?

How detailed would the Hubbles images be if it looked at Earth?xkcd's What If?Video · 1 month ago

Could the Hubble take a photo of you?

Could the Hubble take a photo of you?xkcd's What If?Short · 1 month ago

What if the Moon were made entirely of electrons?

What if the Moon were made entirely of electrons?xkcd's What If?Video · 2 months ago

How fast could a vehicle go around a track - but the racer does not have to survive.

How fast could a vehicle go around a track - but the racer does not have to survive.xkcd's What If?Video · 2 months ago

How fast could a human accellerate (while staying alive)?

How fast could a human accellerate (while staying alive)?xkcd's What If?Video · 2 months ago

What if you had a mole of moles?

What if you had a mole of moles?xkcd's What If?Video · 2 months ago

Petition to send a swimming pool to the moon!

Petition to send a swimming pool to the moon!xkcd's What If?Short · 2 months ago

Circumference pop quiz!

Circumference pop quiz!xkcd's What If?Short · 3 months ago

Could this be the last surviving human light source?

Could this be the last surviving human light source?xkcd's What If?Short · 3 months ago

Why Space Is Actually Warm!

Why Space Is Actually Warm!xkcd's What If?Video · 3 months ago

Could We Harvest Power From Lightning?

Could We Harvest Power From Lightning?xkcd's What If?Short · 3 months ago

What if the moon turned into a black hole?

What if the moon turned into a black hole?xkcd's What If?Video · 4 months ago

Is there such a thing as a magnitude 0 earthquake?

Is there such a thing as a magnitude 0 earthquake?xkcd's What If?Video · 4 months ago

How high could the magnitude of Earthquakes go?

How high could the magnitude of Earthquakes go?xkcd's What If?Video · 4 months ago