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Category Theory Illustrated – Natural Transformations

https://abuseofnotation.github.io/category-theory-illustrated/11_natural_transformations/
20•boris_m•1h ago

Comments

larodi•19m ago
this has surfaced HN top at least 5 times

https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...

auggierose•8m ago
There are too many pictures in this for my taste. I am currently reading this one, and I like it better so far: https://doi.org/10.1142/13670

AI and Europe's quest for a $1T company

https://www.ft.com/content/8585026e-5609-4417-b540-03b2f85d8652
1•thm•33s ago•0 comments

Our efforts, in part, define us

https://weakty.com/posts/efforts/
2•todsacerdoti•1m ago•0 comments

Detection of organic compounds in ejected ice grains from Enceladus's ocean

https://www.nature.com/articles/s41550-025-02655-y
1•cyberlimerence•2m ago•0 comments

The Art of Color... Science?

https://nikonrumors.com/2025/09/30/the-art-of-color-science.aspx/
1•gbugniot•3m ago•0 comments

Playing Offside: How Threat Actors Are Warming Up for FIFA 2026

https://blog.checkpoint.com/executive-insights/playing-offside-how-threat-actors-are-warming-up-f...
1•xn--yt9h•7m ago•0 comments

Self-hosting email in 2025 is easy actually (apart from M365)

https://mastodon.social/@whitequark/115298019560025791
2•prettymuchnoone•8m ago•0 comments

Lazarus Group: A criminal syndicate with a flag

https://blog.barracuda.com/2025/09/23/lazarus-group--a-criminal-syndicate-with-a-flag
1•xn--yt9h•15m ago•0 comments

The Neuroscience of Memory: Implications for the Courtroom

https://pmc.ncbi.nlm.nih.gov/articles/PMC4183265/
1•rkp8000•18m ago•0 comments

Lithuania to give children drone training to counter Russia threat

https://www.theguardian.com/world/2025/aug/13/lithuania-children-drone-training-russia-threat
1•WastedCucumber•19m ago•0 comments

Swift-Configuration

https://github.com/apple/swift-configuration
1•frizlab•19m ago•0 comments

Pre-Record Your Demos

https://www.steveharrison.dev/pre-record-your-demos/
2•steveharrison•19m ago•0 comments

Run RSpec specs in parallel (with the parallel_rspec gem)

https://railsnotes.xyz/blog/parallel-rspec
1•mohi-kalantari•20m ago•0 comments

Gerhardt Cycleplane (1923)

https://en.wikipedia.org/wiki/Gerhardt_Cycleplane
1•thomasjb•23m ago•0 comments

Ask HN: Anyone else notice there are no crypto/blockchain posts on HN?

4•hnaccountme•24m ago•1 comments

Angular Signal-Based Architecture: Building a Smarter Shopping Cart

https://blog.appsignal.com/2025/10/01/angular-signal-based-architecture-building-a-smarter-shoppi...
1•amalinovic•27m ago•0 comments

Copper Workers' Experiments Might Have Helped Usher in Iron Age

https://archaeology.org/news/2025/09/30/copper-workers-experiments-might-have-helped-usher-in-iro...
2•isaacfrond•28m ago•0 comments

Taiwan rejects US chip production proposal

https://techyquantum.com/taiwan-chip-production-deal-rejected-us-proposal/
2•Adnanrj•29m ago•0 comments

Single Court Battle to determine if all can Afford Lifesaving Heart Pill

https://www.greyb.com/blog/novartis-faces-17-oppositions/
1•ann_ip•30m ago•0 comments

The Book of the New Sun

https://en.wikipedia.org/wiki/The_Book_of_the_New_Sun
2•msuniverse2026•31m ago•0 comments

PostgreSQL 18 New Features

https://neon.com/postgresql/postgresql-18-new-features
2•bricss•33m ago•0 comments

Study: Facebook is more habit-forming than TikTok

https://link.springer.com/epdf/10.1140/epjds/s13688-025-00581-7
3•matthewsharpe3•35m ago•0 comments

The "Spit Test" That Could Save Your Life

https://www.greyb.com/blog/ai-in-dental-care/
1•ann_ip•37m ago•0 comments

Ask HN: Is there a good alternative to Maven central?

2•roschdal•38m ago•0 comments

Rust ints to enums with fewer instructions

https://sailor.li/ints-to-enums
2•fanf2•41m ago•0 comments

Radicle: Peer-to-Peer Collaboration with Git

https://lwn.net/Articles/966869/
3•emreb•42m ago•0 comments

What .NET 10 GC Changes Mean for Developers

https://roxeem.com/2025/09/30/what-net-10-gc-changes-mean-for-developers/
2•roxeem•43m ago•0 comments

The math behind six degrees of separation [video]

https://www.youtube.com/watch?v=CYlon2tvywA
2•skilled•49m ago•0 comments

What's the difference between files and directories in a Unix-like filesystem?

https://jack23247.github.io/blog/linux/inodes/
1•Bogdanp•50m ago•0 comments

AI Image Editor

https://imagable.ai
1•bellamoon544•56m ago•1 comments

Making sense of parameter-space decomposition

https://www.lesswrong.com/posts/Wo22C8vhveDbDWhAc/making-sense-of-parameter-space-decomposition
2•gts_77•59m ago•0 comments