@buba25tv: The meme starts with a surprisingly interesting mathematical fact: knots as we normally understand them are objects embedded in three-dimensional space. It then imagines a higher-dimensional being looking at our world and wondering why we’re so impressed by something as simple as tying a piece of string. The underlying idea gets much stranger when you start thinking about higher dimensions. Mathematicians can study objects and spaces with more dimensions than we can physically visualize, even though our brains naturally struggle to picture them. So yes, the joke is ridiculous — but the math behind the setup is genuinely fascinating. #Science #Math #Physics #Mathematics #Dimensions

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Sunday 06 September 2026 11:15:42 GMT
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limmyszimmy
Love2o9 :
a 4d knot uses 2d planes instead of 1d lines. they are possible
2026-09-06 18:54:08
348
andytrieshisbest
Andy’s Trying :
Me when I have no background in science but someone randomly told me once that the 4th dimension is time so it’s basically inarguable fact: this comment section
2026-09-06 16:42:48
2382
sonrisa3141
Sonrisa :
Unless you consider them sheets
2026-09-06 17:01:27
26
the_velocifaptor
Toastpwned :
Yes, time is *a* 4th dimension. But usually when folks talk about a 4th dimension, usually accompanied by a tesseract, they are talking about a 4th SPACIAL dimension. Dimensions are essentially just another way something can have velocity/measurement.
2026-09-06 17:57:16
460
nobodyspecial193
BeAns :
please be aware this is ai generated and not a real xkcd comic
2026-09-06 17:43:05
172
stormjin1
Stormjin :
people love to forget that the 4th dimension is time, and a 4th spatial dimension isn't actually possible
2026-09-06 14:23:22
286
praisegodturnup
GOD Son :
garlic knots
2026-09-06 16:40:36
138
thecrumbguy
The crumb guy :
I mean you can think of them as sheets
2026-09-06 15:53:00
53
hawaiipart2paxtonvo
hawaiipart2paxtonvo :
The 4th dimension just isn’t time and I don’t know how any of you think it’s time. Like what the hell? The first dimension is one length, the second is two of the same length, and the third is three of the same lengths, but then in the fourth dimension, it’s just time??? And I know that time is a length, but time doesn’t compare to X Y and Z on a coordinate plane. Consistency matters. If we were two dimensional beings, would we think that the third dimension is time? Sadly, we would, but we don’t see time in the second dimension. The fourth dimension is not time. It’s just another length added to the previous.
2026-09-06 17:04:45
20
planetfilthmd
Planet Filth :
they have knotted 2d surfaces
2026-09-06 15:44:08
10
imjustsubtle
Subble :
3 Dimensional space is within 4 dimensional space i believe we could make a knot that can work
2026-09-06 13:17:14
25
amanda_kenzi
amanda_kenzi :
Not really going to defend this, but wouldn't (if 4d is something akin to time) a 4d "knot" be like groundhogs day? A mass of 4d that intertwines itself, that if manipulated correctly resolves itself to normal working behavior?
2026-09-06 15:25:33
47
noirydog123
Noirydog123 :
Something something sheets
2026-09-06 13:03:08
10
janmvincent
janmvincent :
Were also only able to perceive the world in 2d. If you think not then try looking behind your head and tell me what you see
2026-09-06 18:29:05
0
stunna00x
stunna00x :
First in my bloodline to witness 3d reality mog 4d
2026-09-06 17:53:17
7
tiltedlem
TiltedLemTTV :
yeah it’s almost like we can’t knot a 2d string. They can knot a 4d string…
2026-09-06 21:39:53
0
mikeaudo
mikeaudo :
Everybody, this hypothetical is talking about a 4th spatial dimension. It's not time, it's in addition to time. There have been video games created that allow you to navigate 4 dimensions, i.e. W/S is the x-axis, A/D is the y, space/control is up/down on the z-axis, and Q/E moves you through a 4th.
2026-09-06 15:50:03
10
wheredidsheevengo
Waydeeeeee :
Möbius strip=4D knot made of planes, not lines
2026-09-07 06:10:08
0
darksarc1
DarkSarc :
Mathematicians can study *theoretical objects and spaces with more dimensions than we can physically visualize. Just because they perform a calculation using math, doesn't mean these things actually exist. The universe isn't built on math. Just because I write a novel about a man who got a brain tumor and became astonishingly smart, doesn't mean it actually happened.
2026-09-06 17:05:02
0
chsbkr
Chase Baker :
except we exist in some 20 plus something dimensions
2026-09-06 20:19:44
0
user2501233969969
user2501233969969 :
this mf generated the pic using ai btw, got in a small fight with an ai bro under this post
2026-09-06 22:49:34
0
sirqwerticus
SirQwert!! 🎨 :
Why is everyone here so smart
2026-09-07 01:43:49
0
clerp0
🥱 :
How do you test this
2026-09-07 21:04:41
0
scottycowan
Scotty Cowan :
unless you consider them as sheets -Penny
2026-09-07 15:48:04
1
literally_django
literally_django :
Fun fact, the math says a 5D being could tie you into a knot the same way humans could tie a stringlike object into a knot or a 4D being could tie a 2D object into a knot!
2026-09-06 19:06:45
0
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