5 More Mind Bending Mathematical Mysteries

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Embark on a journey through unsolved mathematical mysteries! Explore the Magic Square of Squares, Sums of Three Cubes, Hadwiger-Nelson Problem, Moving Sofa Problem, and the elusive Odd Perfect Numbers conundrum. Will these age-old puzzles ever be solved?

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It's a test from the Lizard Overlords to find the ones that need to be eliminated first. Allegedly. Cheers

Hillbilly
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I only scrolled the first bit of comments, but I'm very disappointed that I didn't see any math knowledgeable person point out that Euler is pronounced "oi-ler" (i'll ignore how he pronounced the first name). The man is the greatest mathematician in history, put some respect on his name! ;)

Daniel-ngfi
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Euler is pronounced "Oiler" btw.

ZER--
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The sofa problem reminds of something I read in book. A guy and a friend get a sofa stuck halfway up a stairwell and keeps running simulations to figure out how it happened, instead of taking an axe to it.

unculturedweeb
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If you feel like you haven't been confused in a while, don't worry, Simon's got your back. My brain was glitching throughout the entire video.

NikaNefretiti
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1:12 the magic square of squares
3:46 sums of three cubes
6:43 the Hadwiger-Nelson problem
9:55 the moving sofa problem

martinstallard
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It's nice to hear Simon talk to Peter in videos other than the Business Blaze episodes. Sorry, I meant Brain Blaze, not Business Blaze (he should have never changed the name!)

rachelb
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Now I really want someone to make an actual Hammersley sofa with a removable half-circle section for the ultimate in nerd decor.

BlaineEvans
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Cleary Simon hasn’t met a person like my husband, who took math classes for fun at university and received a math minor without planning to. He ws a History major.

robinanderson
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I enjoyed this bouquet of open math problems a bunch.
btw, sometimes spoken of as "4 modulo 9" or "13 is congruent to 4 mod 9", means 13 is a multiple of 9 plus 4, in symbols, 13 = (1 times 9) + 4 :) For this sort of thing, only whole numbers are used, no fractions allowed.

adelheidmarlowe
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Very enjoyable video. I really enjoy math and puzzle solving, though I'm not too good at either, especially some of them on YouTube. I did study calculus many years ago. I'm really not too bad at math. 😊

majorbuzz
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At 2:45 the squares shown are not magic squares of squares.
The Square Root of each cell entry in one such square is:
68, 29, 41, 37
17, 31, 79, 32
59, 28, 23, 61
11, 77, 8, 49
Square each cell entry and add them up.
The sums are 8515.

bobfk
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"I'll stick to philosophy, no math here"
*Reads The Meno*
"Plato, stop!"
That said, Simon I'd love for you to cover philosophical problems such as the Gettier Problem.

joseybryant
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I can't even balance my checkbook and you hit me with this?

jacksavage
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Douglas Adams used the sofa problem as a running gag in Dirk Gently’s Holistic Detective Agency

genericusername
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1:20 - Chapter 1 - The magic square of squares
3:50 - Chapter 2 - Sums of 3 cubes
6:45 - Chapter 3 - The hadwiger neslon problem
10:00 - Chapter 4 - The moving sofa problem

ignitionfrn
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@2:28 The one thing I remember from linear algebra is that it's pronounced "OIL"er Not YOU-ler. Or maybe it was in Differntial Eq.

hansangb
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3500x3500 would be one insane Sudoku!
2:10

phizc
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"Pivot! Pivot!" - Ross Geller

jonjonr
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God I love this channel it makes my brain grow! Thanks Simon

Chandlergt