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1,004,803 Views ⢠Mar 25, 2024 ⢠Click to toggle off description
When you make a mathematical knot using elastic material you get jumping loops and challenging puzzles.
Here's my video about pop-up tents:    â˘Â Pop-up tents are weirder than you think Â
Here's the elastic knots paper: www.epfl.ch/labs/gcm/research-projects/deployable-âŚ
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Views : 1,004,803
Genre: Science & Technology
Date of upload: Mar 25, 2024 ^^
Rating : 4.978 (165/30,224 LTDR)
RYD date created : 2024-04-29T00:26:38.330182Z
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YouTube Comments - 1,095 Comments
Top Comments of this video!! :3
"But it's not stable, and if I let it go it ends up touching itself again"
feeling personally attacked by this
2.9K |
"Marvin the Martian" LOL
2.1K |
A non self touching knot is also called a Catholic knot
110 |
9:15 "... but it's knot."
643 |
I was always fascinated by these when trying to pack my "2 seconds" tent at the end of a festival. Turns out, the time you save when it "assembles itself", you really invest at the end, learning how it will go back in its bag
29 |
Reminds me of how I unwrap new bandsaw blades, which come in overlapping loops: I remove the ties, and toss is across the shop.
174 |
The beginning of the video I start feeling the cold sweats, and I'm instantly reminded of those window shades for cars or those quick pop up tents/sunshades that I can never figure out how to rebend to fit in the same size area.
158 |
Polite request that it would be good if you could put things a bit higher up in the frame so that they don't get covered by the subtitles â¤
395 |
3:38 no self control đ
555 |
Lord Kelvin's attempts to make mechanical models of elementary particles is one of the coolest failures in history. Also kinda tragic because he was so convinced that he could apply his engineering genius to the atomic scale that, late in life, he got a bit obsessed with trying to model the aether and refused to accept other theories. Shouldn't overshadow his many MANY other accomplishments though. Biographies of Thompson are always a good read, much recommend.
205 |
3:38 I can relate.
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Heads up: There's a typo in the title. "is" should be "in"
385 |
3:18
I found the non-self-touching relaxed knot you mentioned not existing! I call it - the Un-knot! And there's actually an alphanumeric character for it: "°"
79 |
That windows pipe screensaver just gave me a flashback. About 15 years ago i had a really nasty case of the flu, and had a fever of a little over 104 degrees and i woke up in the middle of the night. I was so out of it, that i was hallucinating that those giant blobs of pipes were coming out of my mouth and floating arou d the room while shape-shifting into different configurations
98 |
So a non self touching knot is a master of it's own domain?
11 |
Popup tents are working like that puzzle. Love itâ¤
28 |
Try opening a bandsaw blade when it comes coiled.
52 |
I'm enjoying the idea that in 100 years people will be using the euphemism "Marvin" but no-one can remember why.
47 |
The tetrahedral symmetry is not too surprising if you know that the complement of the figure-8 knot is the gluing of two truncated tetrahedra. The edge colorings also match.
29 |
@SteveMould
1 month ago
I forgot to say, the puzzle knot by Langer is 9_46 (9 underscore 46). The sponsor is Ground News - give it a try at ground.news/SteveMould. If you sign up through my link youâll get 40% off the Vantage plan which gives you unlimited access to every Ground News feature. Your subscription directly supports Ground News on their mission to make the media landscape more transparent.
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