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What if you made a jetpack using rifles?

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What if you made a jetpack using rifles?

Get a copy of What If? 2 and Randall’s other books at: https://xkcd.com/books More serious answers to absurd questions at: https://what-if.xkcd.com/ This question comes from Rob, who asks: is it possible to build a jetpack using downward firing rifles? I was sort of surprised to find that the answer was yes! Credits ******* Randall Munroe ...

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XKCD What If Videos

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?

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What would Earth's climate be like if the land masses were rotated by 90°?

What would Earth's climate be like if the land masses were rotated by 90°?

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xkcd in CSS! (new border-shape api)

xkcd in CSS! (new border-shape api)

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What if ALL the sun’s power was focused in one place?

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What if you literally had all the money in the world?

What if you literally had all the money in the world?

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What if you kept digging downward?

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XKCD What If Book

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Unlock AI Secrets with ONE Comic! 😂

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What if ALL the sun’s power was focused in one place?

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YouTubexkcd's What If?

What if you literally had all the money in the world?

What if you literally had all the money in the world?

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YouTubexkcd's What If?

What if you kept digging downward?

What if you kept digging downward?

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YouTubexkcd's What If?

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Why is the sky blue?

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YouTubexkcd's What If?

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

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Could You Power a House with the Radioactivity from Bananas? - Nuclear Engineer Reacts to XKCD

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YouTubeT. Folse Nuclear

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

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How a Nuclear Reactor Works?

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YouTubexkcd_experiments

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YouTubeWhat If Theory xkcd?

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