Tag: xkcd
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What if you funneled Niagara Falls through a straw?
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What if a glass of water were really half empty?
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Could you survive a nanosecond on the Sun?
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What if you tried to print Wikipedia?
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What if you drained the oceans?
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What if everyone jumped at once?
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What if you threw a baseball at nearly light speed?
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What if Earth suddenly stopped spinning?
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What If? is now on Youtube
