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Open Source @Github

How we exploited CodeRabbit: From simple PR to RCE and write access on 1M repos

https://research.kudelskisecurity.com/2025/08/19/how-we-exploited-coderabbit-from-a-simple-pr-to-rce-and-write-access-on-1m-repositories/
135•spiridow•2h ago•39 comments

Emacs as your video-trimming tool

https://xenodium.com/emacs-as-your-video-trimming-tool
78•xenodium•1h ago•24 comments

Without the futex, it's futile

https://h4x0r.org/futex/
160•eatonphil•4h ago•76 comments

Figma's Multiplayer Technology (2019)

https://www.figma.com/blog/how-figmas-multiplayer-technology-works/
18•redbell•3d ago•1 comments

Candle Flame Oscillations as a Clock

https://cpldcpu.com/2025/08/13/candle-flame-oscillations-as-a-clock/
126•cpldcpu•3d ago•23 comments

A renovation project in Turkey led to the discovery of a lost city (2023)

https://www.atlasobscura.com/articles/derinkuyu-turkey-underground-city-strange-maps
25•areoform•2h ago•5 comments

Staff disquiet as Alan Turing Institute faces identity crisis

https://www.theguardian.com/technology/2025/aug/18/shut-it-down-and-start-again-staff-disquiet-as-alan-turing-institute-faces-identity-crisis
31•glutamate•1d ago•27 comments

Custom telescope mount using harmonic drives and ESP32

https://www.svendewaerhert.com/blog/telescope-mount/
213•waerhert•8h ago•77 comments

Positron, a New Data Science IDE

https://posit.co/blog/positron-product-announcement-aug-2025/
54•kgwgk•4h ago•24 comments

Lazy-brush – smooth drawing with mouse or finger

https://lazybrush.dulnan.net
493•tvdvd•3d ago•63 comments

As Alaska's salmon plummet, scientists home in on the killer – Science – AAAS

https://www.science.org/content/article/alaska-s-salmon-plummet-scientists-home-killer
25•rbanffy•2h ago•15 comments

"Remove mentions of XSLT from the html spec"

https://github.com/whatwg/html/pull/11563
240•troupo•3h ago•277 comments

Show HN: Chroma Cloud – serverless search database for AI

https://trychroma.com/cloud
36•jeffchuber•23h ago•7 comments

Launch HN: Uplift (YC S25) – Voice models for under-served languages

63•zaidqureshi•6h ago•32 comments

Geotoy – Shadertoy for 3D Geometry

https://3d.ameo.design/geotoy
58•Ameo•1d ago•10 comments

Launch HN: Parachute (YC S25) – Guardrails for Clinical AI

30•ariavikram•3h ago•15 comments

Critical Cache Poisoning Vulnerability in Dnsmasq

https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2025q3/018288.html
88•westurner•5h ago•44 comments

Prime Number Grid

https://susam.net/primegrid.html
235•todsacerdoti•10h ago•86 comments

OpenMower – An open source lawn mower

https://github.com/ClemensElflein/OpenMower
525•rickcarlino•17h ago•166 comments

PyPI Preventing Domain Resurrection Attacks

https://blog.pypi.org/posts/2025-08-18-preventing-domain-resurrections/
87•pabs3•7h ago•31 comments

Vim Macros for Beancount

https://tangled.sh/@adam.tngl.sh/vim-beancounting
38•xarcolade•5h ago•10 comments

CRLite: Certificate Revocation Checking in Firefox

https://hacks.mozilla.org/2025/08/crlite-fast-private-and-comprehensive-certificate-revocation-checking-in-firefox/
11•TangerineDream•2h ago•0 comments

Guile bindings for Sway window manager

https://github.com/ebeem/guile-swayer
42•ducktective•3d ago•1 comments

Attention Is the New Big-O: A Systems Design Approach to Prompt Engineering

https://alexchesser.medium.com/attention-is-the-new-big-o-9c68e1ae9b27
45•alexc05•4h ago•37 comments

How to Build a Medieval Castle

https://archaeology.org/issues/september-october-2025/features/how-to-build-a-medieval-castle/
179•benbreen•13h ago•41 comments

In 2006, Hitachi developed a 0.15mm-sized RFID chip

https://www.hitachi.com/New/cnews/060206.html
82•julkali•4d ago•46 comments

Show HN: Whispering – Open-source, local-first dictation you can trust

https://github.com/epicenter-so/epicenter/tree/main/apps/whispering
531•braden-w•1d ago•135 comments

Why I'm all-in on Zen Browser

https://werd.io/why-im-all-in-on-zen-browser/
64•benwerd•4h ago•70 comments

Ted Chiang: The Secret Third Thing

https://linch.substack.com/p/ted-chiang-review
247•pseudolus•18h ago•110 comments

Counter-Strike: A billion-dollar game built in a dorm room

https://www.nytimes.com/2025/08/18/arts/counter-strike-half-life-minh-le.html
484•asnyder•1d ago•410 comments
Open in hackernews

Geotoy – Shadertoy for 3D Geometry

https://3d.ameo.design/geotoy
58•Ameo•1d ago

Comments

idrios•3h ago
Now we just need Rigtoy, Animtoy and Rendertoy and we'll be able to make beautiful 3D animations in the browser
hollowonepl•1h ago
Have you heard about cables.gl or tooll3? Those have quite impressive end to end motion graphics capabilities.
mclau157•2h ago
this website still uses shaders its just a button called materials after clicking the 3 bars in the bottom right of the screen
jasonjmcghee•2h ago
Unsolicited feedback: I think if rotation decelerated quickly to no velocity instead of instantly stopping when you let go, it would feel more natural.
sampton•2h ago
How is the material defined?
_bohm•1h ago
This is cool! @OP, are you the creator of Geoscript? I've never heard about this anywhere else before.
retrofuturism•1h ago
This wowed me in the same way when I saw GLSL for the first time. What is Geoscript??? I love this.
riidom•1h ago
I found this article also interesting (I believe also from the author, but correct me if I'm wrong):

https://cprimozic.net/blog/the-tech-behind-geotoy/#overview

lawlessone•53m ago
This runs a lot smoother than shadertoy does for me.
dernett•13m ago
Is it possible to create animations using something like Shadertoy's `iTime`?