Sure, the stuff inside math textbooks can sometimes make our heads hurt, but this weekend, it was what was on a math textbook that had the Internet totally freaking out.
The collective online brain explosion started with a tweet:
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How are the teens on the cover of the book holding copies of the book that they are currently posing for? (We know, we know.)
Was it a green screen?
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Trick photography?
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TIME TRAVEL??
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Yup, the company that printed the book pretty much admitted that it was time travel.
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BuzzFeed, however, reported that in spite of claims that there has been a lapse in the space time continuum, there's another explanation for the picture. According to a Reddit thread last year, the picture was originally a stock photo of a diverse group of teens holding generic notebooks. That means that the specific Algebra textbook cover was photoshopped in later.
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