Round Peg in a Square Hole - Numberphile

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Tadashi Tokieda is a Professor of Mathematics at Stanford University (though this was filmed when he was at Cambridge, in the UK).

Animation by Pete McPartlan.

NUMBERPHILE

Videos by Brady Haran

[jackadams]

here we have a circle, which hole does that go in? that's right, it's the square hole!

[jollyjave]

that's right, it goes in the square hole...

[kennethelliott]

"Escape into the ambient third dimension", sound like the title of album from a 70's prog rock band

[KryssAA]

"How to win a free beer in a bar" ^^

[MaxPanic]

Just like a sheet of paper, I too flourish in a 3D environment.

[JulianGaming]

That's right, that goes in the square hole

[otakuribo]

... and in 4 dimensions, you could fit a round sphere through a cubic... um, *_void_*

[SciencewithKatie]

"I'm willing to give away the secret for free, on this special occasion" 😂 Thank you for explaining! 😊💛

[ivanjefferson]

"Did you see a slot that would fit the circle? *that's right its the square hole* "

[TrasherBiner]

I like all the episodes from this guy. He extrapolates into 3 dimensions stuff that maths for the ones who haven't studied too deep, usually describe two dimensonal events. Not only that, but presents them in a very playful manner (he speaks of them as toys) very satisfying to watch. Thanks buddy for showing us a fun side of maths the way you do.

[andrewrozhen]

This guy is a witch. That’s the only explanation. Period.

[jordanscott]

In 2021, the round peg DOES go in the square hole

[infinitebuzz]

More Tadashi Tokieda please, these are great!

[BanditRants]

As a content creator, I must say, Numberphile always sets the bar high.

[jtveg]

I love the videos with this professor and the way he explains the solutions.

So glad he gave us this one for free. 😅

[crashmancer]

I love Tadashi's characteristically whimsical choice of words.

[domsusefulstuff]

I would like to see the world through Professor Tokieda's perspective for a day. He fits such big concepts in such tiny spaces.

[Super.AmmarI]

"You can't fit a round peg in a square hole" _they said_

[ambrose]

The Ambiant third Dimension is my new band name

[EricWilliamsNeu]

Every time I see a new Tadashi video I get giddy. This did not disappoint. Thank you for continuing to share the wonder of mathematics with the world!