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Maypole Dance of Braid Like Groups (2009)

https://divisbyzero.com/2009/05/04/the-maypole-braid-group/
32•srean•6h ago

Comments

srean•6h ago
Have been silently enjoying the recent interest of HN on topics of knitting and weaving. I find weaving far easier to understand.

Tempted to get a multi-shaft loom, but they are expensive.

mathgradthrow•4h ago
the maypole group is indeed a subgroup of a braid group. juat add the pole itself as the rightmost strand.
srean•4h ago
Ah ! Of course.

Tell HN: Help restore the tax deduction for software dev in the US (Section 174)

1165•dang•5h ago•457 comments

Containerization is a Swift package for running Linux containers on macOS

https://github.com/apple/containerization
122•gok•1h ago•32 comments

Apple announces Foundation Models and Containerization frameworks, etc

https://www.apple.com/newsroom/2025/06/apple-supercharges-its-tools-and-technologies-for-developers/
403•thm•4h ago•254 comments

Show HN: Munal OS: a graphical experimental OS with WASM sandboxing

https://github.com/Askannz/munal-os
135•Gazoche•4h ago•52 comments

Apple introduces a universal design across platforms

https://www.apple.com/newsroom/2025/06/apple-introduces-a-delightful-and-elegant-new-software-design/
343•meetpateltech•5h ago•532 comments

What methylene blue can (and can’t) do for the brain

https://neurofrontiers.blog/what-methylene-blue-can-and-cant-do-for-the-brain/
62•wiry•3d ago•28 comments

Launch HN: Chonkie (YC X25) – Open-Source Library for Advanced Chunking

84•snyy•6h ago•30 comments

Go is a good fit for agents

https://docs.hatchet.run/blog/go-agents
84•abelanger•5d ago•67 comments

Domains I Love

https://www.ahmedsaoudi.com/blog/domains-i-love/
27•ahmedfromtunis•1h ago•15 comments

Show HN: Somo – a human friendly alternative to netstat

https://github.com/theopfr/somo
61•hollow64•4h ago•19 comments

Doctors could hack the nervous system with ultrasound

https://spectrum.ieee.org/focused-ultrasound-stimulation-inflammation-diabetes
107•purpleko•7h ago•11 comments

Hokusai Moyo Gafu: an album of dyeing patterns

https://ndlsearch.ndl.go.jp/en/imagebank/theme/hokusaimoyo
119•fanf2•7h ago•13 comments

Bruteforcing the phone number of any Google user

https://brutecat.com/articles/leaking-google-phones
400•brutecat•8h ago•128 comments

Pi in Pascal's Triangle

https://www.cut-the-knot.org/arithmetic/algebra/PiInPascal.shtml
36•senfiaj•3d ago•3 comments

Algovivo an energy-based formulation for soft-bodied virtual creatures

https://juniorrojas.com/algovivo/
48•tzury•6h ago•3 comments

The new Gödel Prize winner tastes great and is less filling

https://blog.computationalcomplexity.org/2025/06/the-new-godel-prize-winner-tastes-great.html
85•baruchel•7h ago•23 comments

Why quadratic funding is not optimal

https://jonathanwarden.com/quadratic-funding-is-not-optimal/
87•jwarden•7h ago•69 comments

Show HN: Most users won't report bugs unless you make it stupidly easy

136•lakshikag•6h ago•73 comments

A bit more on Twitter/X's new encrypted messaging

https://blog.cryptographyengineering.com/2025/06/09/a-bit-more-on-twitter-xs-new-encrypted-messaging/
92•vishnuharidas•3h ago•58 comments

How do you prototype a nice language?

https://kevinlynagh.com/newsletter/2025_06_03_prototyping_a_language/
8•surprisetalk•3d ago•0 comments

Myanmar's chinlone ball sport threatened by conflict and rattan shortages

https://www.aljazeera.com/gallery/2025/6/5/myanmars-chinlone-ball-sport-threatened-by-conflict-and-rattan-shortages
12•YeGoblynQueenne•4d ago•0 comments

A man rebuilding the last Inca rope bridge

https://www.atlasobscura.com/articles/last-inca-rope-bridge-qeswachaka-tradition
54•kaonwarb•2d ago•14 comments

Finding Shawn Mendes (2019)

https://ericneyman.wordpress.com/2019/11/26/finding-shawn-mendes/
325•jzwinck•14h ago•51 comments

Astronomers have discovered a mysterious object flashing signals from deep space

https://www.livescience.com/space/unlike-anything-we-have-seen-before-astronomers-discover-mysterious-object-firing-strange-signals-at-earth-every-44-minutes
52•gmays•2h ago•28 comments

Show HN: Glowstick – type level tensor shapes in stable rust

https://github.com/nicksenger/glowstick
31•bietroi•6h ago•3 comments

Maypole Dance of Braid Like Groups (2009)

https://divisbyzero.com/2009/05/04/the-maypole-braid-group/
32•srean•6h ago•3 comments

LLMs are cheap

https://www.snellman.net/blog/archive/2025-06-02-llms-are-cheap/
279•Bogdanp•10h ago•250 comments

RFK Jr. ousts entire CDC vaccine advisory committee

https://apnews.com/article/kennedy-cdc-acip-vaccines-3790c89f45b6314c5c7b686db0e3a8f9
43•doener•38m ago•2 comments

Potential and Limitation of High-Frequency Cores and Caches (2024)

https://arch.cs.ucdavis.edu/simulation/2024/08/06/potentiallimitationhighfreqcorescaches.html
18•matt_d•3d ago•10 comments

Why Android can't use CDC Ethernet (2023)

https://jordemort.dev/blog/why-android-cant-use-cdc-ethernet/
325•goodburb•1d ago•130 comments