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what-if.xkcd.com

What If?

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Latest posts

Last updated almost 2 years ago

Comet Ice

about 2 years ago

Could I cool down the Earth by capturing a comet and dropping...

Star Ownership

about 2 years ago

If every country's airspace extended up forever, which country would own the...

Transatlantic Car Rental

over 2 years ago

My daughter recently received her driver's permit in the US, and aspires...

Hailstones

over 2 years ago

My 4 year old son and I were wondering about soccer ball...

Hot Banana

over 2 years ago

I heard that bananas are radioactive. If they are radioactive, then they...