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The Engineer Who Drives a Propeller-Powered Car

https://www.wsj.com/lifestyle/cars/the-engineer-who-drives-a-propeller-powered-car-73ac01ad
1•rmason•33s ago•0 comments

A Web "OS"

https://github.com/KyrKat89/MeowOS
1•KyrKat•45s ago•0 comments

Qualcomm Launches AI250 and AI200 with Memory Footprint for AI Workloads

https://hothardware.com/news/qualcomm-ai250-ai200-huge-memory-footprint-ai-data-center
1•rbanffy•1m ago•0 comments

Modern JavaScript Concurrency – 2025 Edition

https://blog.gaborkoos.com/posts/2025-10-25-Modern-Javascript-Concurrency/
1•gkoos•1m ago•0 comments

New graph layout algorithm for SpiderMonkey's SSA compiler

https://spidermonkey.dev/blog/2025/10/28/iongraph-web.html
2•Bogdanp•2m ago•0 comments

Reimagining car culture – Jon Udell

https://blog.jonudell.net/2025/10/25/reimagining-car-culture/
1•rbanffy•5m ago•0 comments

Tell HN: Posteo.de email provider is down

1•npteljes•6m ago•0 comments

Channel 4 makes TV history with Britain's first AI presenter

https://www.channel4.com/press/news/channel-4-makes-tv-history-britains-first-ai-presenter
1•ChrisArchitect•7m ago•1 comments

AI News Anchor Debuts on U.K.'S Channel 4 in Stunt Proving Dangers of AI

https://variety.com/2025/tv/news/ai-news-anchor-channel-4-1236557295/
3•bookofjoe•11m ago•0 comments

The Unreasonable Effectiveness of Fiber

https://www.empirical.health/blog/dietary-fiber-reduces-all-cause-morality/
2•brandonb•11m ago•1 comments

Why Millennials and Gen Z Are Going Gray Early, According to Experts

https://www.newsweek.com/millennials-gen-z-gray-hair-experts-young-mineral-deficiency-2011928
5•austinallegro•12m ago•0 comments

No One Knows What a Moon Is

https://www.theatlantic.com/science/2025/10/quasi-moon-definition/684710/
1•fortran77•16m ago•1 comments

How to scale AI without using nuclear reactors (Adaptive attention)

https://medium.com/@hyborian_/sparse-adaptive-attention-moe-how-i-solved-openais-650b-problem-wit...
1•unconsciousllm•16m ago•0 comments

Aspire – Orchestrate front ends, APIs, containers, and databases effortlessly

https://aspire.dev/
1•vyrotek•17m ago•0 comments

Beyond Accuracy: A 5-Step Framework for Meaningful AI Evaluation

https://oblsk.com/blog/framework-for-meaningful-ai-evaluation/
1•munroe•17m ago•0 comments

Neo the Home Robot

https://www.1x.tech/
2•strzalek•18m ago•1 comments

How to turn off Meta AI on Facebook – What you can and can't control

https://proton.me/blog/turn-off-meta-ai-facebook
4•jethronethro•18m ago•0 comments

Show HN: Globe of History – Interactive 3D Map of 6k Years of Human Events

https://www.globeofhistory.com/
2•yamsasson•18m ago•0 comments

Free File Hosting and Sharing

https://iofiles.adverx.site/
1•anonyxbiz•20m ago•0 comments

If things in America weren't stupid enough, Texas is suing Tylenol maker

https://arstechnica.com/health/2025/10/if-things-in-america-werent-stupid-enough-texas-is-suing-t...
2•unsnap_biceps•21m ago•1 comments

Colors and Numbers

https://mail.cyberneticforests.com/untitled-2/
1•smartmic•21m ago•0 comments

Everyone's a Free-Speech Hypocrite

https://www.thefire.org/news/everyones-free-speech-hypocrite
1•everybodyknows•21m ago•0 comments

Google Beam: Future of Communication

https://beam.google/
2•wanderer2323•23m ago•1 comments

U.S. energy supply chains are unlikely to meet anticipated demand

https://hub.jhu.edu/2025/10/09/us-energy-supply-falling-short/
4•geox•23m ago•0 comments

Minecraftonia a voxel engine built with C# 13/.NET 9 and Avalonia

https://github.com/wieslawsoltes/Minecraftonia
1•wiso•24m ago•0 comments

Sicilian Arabic

https://en.wikipedia.org/wiki/Siculo-Arabic
2•nothrowaways•24m ago•0 comments

Ask HN: What's one small habit you started that surprisingly changed your life?

4•jimsojim•24m ago•2 comments

Godo: Fast parallel sandboxes for any Git project

https://github.com/cortesi/godo
3•sea-gold•27m ago•1 comments

Writing an LLM from scratch, part 24 – the transcript hack

https://www.gilesthomas.com/2025/10/llm-from-scratch-24-the-transcript-hack
1•gpjt•27m ago•0 comments

Show HN: I made simple Email Marketing app with base features

https://app.getparlo.io
1•ivona52•27m ago•0 comments
Open in hackernews

Making sense of principal component analysis, eigenvectors and eigenvalues

https://stats.stackexchange.com/questions/2691/making-sense-of-principal-component-analysis-eigenvectors-eigenvalues
3•tptacek•2h ago

Comments

tptacek•2h ago
This has been submitted several times before (unsurprisingly! it's an extremely good piece of technical writing) but never discussed. Let's see if the nth time is the charm.