Lace Knot Trick - Numberphile

Playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ More knot videos: http://bit.ly/Knot-a-Phile Fast shoelaces: https://youtu.be/...

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Unbeknownst to many, there are two ways of tying your shoelace. You see, the first step is usually like this.In the second step, you caneitherdo it like this,in which case,you see, the knot becomes kind of perpendicular to the direction of the lace at the end.Or, you can do exactly the mirror image of what you have just done.And it is slightly wrong, actually, when you do this.But that's a nice way to do it.When you do that,in this case, the knot becomes kind of parallel, if you see what I mean, to the shoelace.What did I do? So, there are two ways of doing it, right? You can do, start from, like, this,or the other direction. So let's do it in this direction, in some sense.Now, that determines one of the orientations.So, one way to do it is to, fr...
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