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Mind Blowing: Mathematicians Prove Sum of Infinity is… Negative One-Twelfth? (VIDEO)

You might think that 1 + 2 + 3 + 4 +5… (and on in to infinity) would equal a very big number. But what if someone told you that the sum of all natural numbers is actually negative one-twelfth!

That’s right, according to physicists, the following is true:

1 + 2 + 3 + 4 + 5 + (infinity) = -1/12

What? How? Huh? No way! This must be some kind of mathematical hocus pocus, right?

Not at all.

In fact, it’s a solution that physicists can not only prove on paper, but one they also have observed in the natural world.

Watch this fascinating video, as physicists explain why such a counter-intuitive answer is actually correct:

If you understood all of that, give yourself a gold star.

(via Sploid)

(Image: Bluedharna.Flickr)

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  • Iwona

    Here is a relatively simple explanation of what is wrong with this proof: http://www.databonanza.com/2014/01/why-sum-of-all-natural-numbers-is-not.html.

    • Walt Kay

      Thanks, I knew there was some mathematics shenanigans going up but what not able to explain. Did think the shifting was wrong in some way but you nailed it.

      Same type of stuff as proving that 1=2 where some where in proof you divide by Zero. Which makes whole proof false. Usually hidden by x-x etc.