The Puzzling Fourth Dimension (and exotic shapes) - Numberphile
324K views · Dec 1, 2022 · Science & Technology
Comments · 694
@Djorgal · 3 years ago
"We topologist are healthy people, we're not supposed to be eating donuts."<br>Yeah, that's because of the ceramic.
751
@JohnSmith-zq9mo · 3 years ago
I like how he finished the most random looking sequence ever with "and so on".
482
@andrewlecouteurbisson7217 · 3 years ago
Only a mathematician could refer to an "ordinary 7-dimensional sphere." You know, the common household 7-dimensional sphere. :D
864
@Joel-tm7xq · 3 years ago
The delivery on "for example, here is a donut and here is a coffee mug." is immaculate
186
@MichaelSalston · 3 years ago
I love how at <a href="https://www.youtube.com/watch?v=CVOr7f_VALc&t=714">11:54</a>, he says putting a lasso around a donut and the animation shows the coffee cup. After all, they are the same!
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@Hunnter2k3 · 3 years ago
I always knew dimension 4 was strange, but I didn't realize just how strange it was in regards to the rest of them. That's fascinating
556
@emaldonadokpcr · 3 years ago
Numberphile is VERY necessary. Thank you professor!
525
@adsilcott · 3 years ago (edited)
Topologists aren't so weird. They dunk their coffee cup into their doughnut just like everyone else.
329
@farouku5334 · 3 years ago
This guy is the only person to have scored perfectly on the IMO 3 separate times !
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@Gabriel01298 · 3 years ago
I feel like my brain is a smooth object watching this video.
67
@Luper1billion · 3 years ago
I knew topology was interesting, but this blew my mind. Feels like there's so much to learn about higher dimensions
113
@11pupona · 3 years ago (edited)
Ciprian is a genius!!! he is the only person ever to score 3 perfect papers at the IMO!, he was also top 5 in putnam (putnam fellow) 3 years!
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