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Hyperbolic Non-Euclidean World (2007)

http://web1.kcn.jp/hp28ah77/
18•ubavic•6d ago

Comments

zkmon•9h ago
I think the picture is still not complete without the imaginary axis. Would that axis be curved too?
wosined•8h ago
What software was used to draw the pictures? Was it in visual basic 6? Looks pretty nice.
stared•6h ago
For everyone who wants to experience hyperbolic geometry, I recommend HyperRogue (https://roguetemple.com/z/hyper/).

At the end you use Git bisect

https://kevin3010.github.io/git/2025/11/02/At-the-end-you-use-git-bisect.html
52•_spaceatom•1h ago•35 comments

"Why don't you use dependent types?"

https://lawrencecpaulson.github.io//2025/11/02/Why-not-dependent.html
90•baruchel•3h ago•24 comments

Tongyi DeepResearch – open-source 30B MoE Model that rivals OpenAI DeepResearch

https://tongyi-agent.github.io/blog/introducing-tongyi-deep-research/
142•meander_water•6h ago•38 comments

Rats filmed snatching bats from air for first time

https://www.science.org/content/article/rats-filmed-snatching-bats-air-first-time
46•XzetaU8•5d ago•26 comments

Autodesk's John Walker Explained HP and IBM in 1991

https://www.cringely.com/2015/06/03/autodesks-john-walker-explained-hp-and-ibm-in-1991/
71•suioir•4d ago•37 comments

X.org Security Advisory: multiple security issues X.Org X server and Xwayland

https://lists.x.org/archives/xorg-announce/2025-October/003635.html
51•birdculture•5h ago•22 comments

URLs are state containers

https://alfy.blog/2025/10/31/your-url-is-your-state.html
216•thm•7h ago•113 comments

Writing FreeDOS Programs in C

https://www.freedos.org/books/cprogramming/
34•AlexeyBrin•4h ago•11 comments

Anti-cybercrime laws are being weaponized to repress journalism

https://www.cjr.org/analysis/nigeria-pakistan-jordan-cybercrime-laws-journalism.php
14•giuliomagnifico•15m ago•0 comments

Mock – An API creation and testing utility: Examples

https://dhuan.github.io/mock/latest/examples.html
90•dhuan_•6h ago•17 comments

Backpropagation is a leaky abstraction (2016)

https://karpathy.medium.com/yes-you-should-understand-backprop-e2f06eab496b
249•swatson741•13h ago•109 comments

New South Korean national law will turn large parking lots into solar farms

https://electrek.co/2025/11/02/new-national-law-will-turn-large-parking-lots-into-solar-power-farms/
60•thelastgallon•3h ago•31 comments

Notes by djb on using Fil-C (2025)

https://cr.yp.to/2025/fil-c.html
210•transpute•12h ago•108 comments

A prison of my own making

https://jsteuernagel.de/posts/a-prison-of-my-own-making/
32•todsacerdoti•5h ago•5 comments

Go Primitive in Java, or Go in a Box

https://donraab.medium.com/go-primitive-in-java-or-go-in-a-box-c26f5c6d7574
49•ingve•1w ago•19 comments

Visopsys: OS maintained by a single developer since 1997

https://visopsys.org/
424•kome•20h ago•102 comments

Welcome to hell; please drive carefully

https://2earth.github.io/website/20251026.html
65•2earth•5d ago•23 comments

A man who changes the time on Big Ben

https://www.mylondon.news/news/zone-1-news/meet-man-who-changes-time-32715300
19•simmerup•1w ago•12 comments

Matched Clean Power Index

https://matched.energy/blog/matched-clean-power-index-is-live
28•bensg•6h ago•21 comments

Claude Code can debug low-level cryptography

https://words.filippo.io/claude-debugging/
407•Bogdanp•23h ago•190 comments

OpenBSD 7.8 Highlights

https://rsadowski.de/posts/2025/openbsd-78/
17•zdw•1w ago•2 comments

Updated practice for review articles and position papers in ArXiv CS category

https://blog.arxiv.org/2025/10/31/attention-authors-updated-practice-for-review-articles-and-posi...
475•dw64•1d ago•222 comments

How I use every Claude Code feature

https://blog.sshh.io/p/how-i-use-every-claude-code-feature
402•sshh12•18h ago•145 comments

HyperRogue – A non-Euclidean roguelike

https://roguetemple.com/z/hyper/
108•stared•6h ago•28 comments

Pomelli

https://blog.google/technology/google-labs/pomelli/
240•birriel•19h ago•108 comments

FlightAware Map Design

https://andywoodruff.com/posts/2024/flightaware-maps/
79•marklit•6d ago•22 comments

LM8560, the eternal chip from the 1980 years

https://www.tycospages.com/other-themes/lm8560-the-eternal-chip-from-the-1980-years/
99•userbinator•14h ago•34 comments

Context engineering

https://chrisloy.dev/post/2025/08/03/context-engineering
65•chrisloy•9h ago•34 comments

GHC now runs in the browser

https://discourse.haskell.org/t/ghc-now-runs-in-your-browser/13169
337•kaycebasques•1d ago•116 comments

Show HN: Anki-LLM – Bulk process and generate Anki flashcards with LLMs

https://github.com/raine/anki-llm
6•rane•4h ago•1 comments