The New Skill in AI Is Not Prompting, It's Context Engineering

https://www.philschmid.de/context-engineering

144•robotswantdata•1h ago•56 comments

I write type-safe generic data structures in C

https://danielchasehooper.com/posts/typechecked-generic-c-data-structures/

178•todsacerdoti•5h ago•61 comments

The hidden JTAG in a Qualcomm/Snapdragon device’s USB port

https://www.linaro.org/blog/hidden-jtag-qualcomm-snapdragon-usb/

77•denysvitali•3h ago•14 comments

There are no new ideas in AI only new datasets

https://blog.jxmo.io/p/there-are-no-new-ideas-in-ai-only

226•bilsbie•7h ago•126 comments

They don't make 'em like that any more: Sony DTC-700 audio DAT player/recorder

https://kevinboone.me/dtc-700.html

57•naves•4h ago•38 comments

The Original LZEXE (A.K.A. Kosinski) Compressor Source Code Has Been Released

https://clownacy.wordpress.com/2025/05/24/the-original-lzexe-a-k-a-kosinski-compressor-source-code-has-been-released/

21•elvis70•2h ago•3 comments

End of an Era

https://www.erasmatazz.com/personal/self/end-of-an-era.html

26•marcusestes•2h ago•5 comments

Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

https://github.com/M4THYOU/TokenDagger

227•matthewolfe•9h ago•63 comments

Show HN: New Ensō – first public beta

https://untested.sonnet.io/notes/new-enso-first-public-beta/

199•rpastuszak•11h ago•78 comments

Creating fair dice from random objects

https://arstechnica.com/science/2025/05/your-next-gaming-dice-could-be-shaped-like-a-dragon-or-armadillo/

8•epipolar•2d ago•1 comments

Xfinity using WiFi signals in your house to detect motion

https://www.xfinity.com/support/articles/wifi-motion

136•bearsyankees•3h ago•96 comments

The provenance memory model for C

https://gustedt.wordpress.com/2025/06/30/the-provenance-memory-model-for-c/

190•HexDecOctBin•12h ago•98 comments

Entropy of a Mixture

https://cgad.ski/blog/entropy-of-a-mixture.html

7•cgadski•1h ago•1 comments

Jacobi Ellipsoid

https://en.wikipedia.org/wiki/Jacobi_ellipsoid

14•perihelions•2d ago•2 comments

Ask HN: What Are You Working On? (June 2025)

345•david927•1d ago•1075 comments

14.ai (YC W24) hiring founding engineers in SF to build a Zendesk alternative

https://14.ai/careers

1•michaelfester•5h ago

Donkey Kong Country 2 and Open Bus

https://jsgroth.dev/blog/posts/dkc2-open-bus/

173•colejohnson66•7h ago•42 comments

Ask HN: What's the 2025 stack for a self-hosted photo library with local AI?

112•jamesxv7•4h ago•55 comments

The Plot of the Phantom, a text adventure that took 40 years to finish

https://scottandrew.com/blog/2025/06/you-can-now-play-plot-of-the-phantom-the-text-adventure-game/

169•SeenNotHeard•3d ago•33 comments

Show HN: We're two coffee nerds who built an AI app to track beans and recipes

https://beanbook.app

25•rokeyzhang•3h ago•11 comments

Researching LED Displays for the Time Circuits

https://www.partsnotincluded.com/researching-time-circuit-led-displays/

16•edent•3d ago•7 comments

Datadog's $65M/year customer mystery solved

https://blog.pragmaticengineer.com/datadog-65m-year-customer-mystery/

80•thunderbong•3h ago•20 comments

Ask HN: 80s electronics book club; anyone remember this illustrator?

18•codpiece•2d ago•16 comments

CertMate – SSL Certificate Management System

https://github.com/fabriziosalmi/certmate

8•indigodaddy•1h ago•0 comments

Cloud-forming isoprene and terpenes from crops may drastically improve climate

https://www.smithsonianmag.com/science-nature/scientists-are-just-beginning-to-understand-how-life-makes-clouds-and-their-discoveries-may-drastically-improve-climate-science-180986872/

37•gsf_emergency_2•8h ago•29 comments

Printegrated Circuits: Merging 3D Printing and Electronics

https://spectrum.ieee.org/3d-printing-smart-objects

59•rbanffy•10h ago•21 comments

Reverse Engineering Vercel's BotID

https://www.nullpt.rs/reversing-botid

81•hazebooth•9h ago•12 comments

Asynchronous Error Handling Is Hard

https://parallelprogrammer.substack.com/p/asynchronous-error-handling-is-hard

29•hedgehog•1d ago•21 comments

Auth for B2B SaaS: it's not like auth for consumer software

https://tesseral.com/blog/b2b-auth-isnt-that-similar-to-b2c-auth

68•noleary•7h ago•37 comments

New proof dramatically compresses space needed for computation

https://www.scientificamerican.com/article/new-proof-dramatically-compresses-space-needed-for-computation/

165•baruchel•3d ago•90 comments

The New Skill in AI Is Not Prompting, It's Context Engineering

I write type-safe generic data structures in C

The hidden JTAG in a Qualcomm/Snapdragon device’s USB port

There are no new ideas in AI only new datasets

They don't make 'em like that any more: Sony DTC-700 audio DAT player/recorder

The Original LZEXE (A.K.A. Kosinski) Compressor Source Code Has Been Released

End of an Era

Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

Show HN: New Ensō – first public beta

Creating fair dice from random objects

Xfinity using WiFi signals in your house to detect motion

The provenance memory model for C

Entropy of a Mixture

Jacobi Ellipsoid

Ask HN: What Are You Working On? (June 2025)

14.ai (YC W24) hiring founding engineers in SF to build a Zendesk alternative

Donkey Kong Country 2 and Open Bus

Ask HN: What's the 2025 stack for a self-hosted photo library with local AI?

The Plot of the Phantom, a text adventure that took 40 years to finish

Show HN: We're two coffee nerds who built an AI app to track beans and recipes

Researching LED Displays for the Time Circuits

Datadog's $65M/year customer mystery solved

Ask HN: 80s electronics book club; anyone remember this illustrator?

CertMate – SSL Certificate Management System

Cloud-forming isoprene and terpenes from crops may drastically improve climate

Printegrated Circuits: Merging 3D Printing and Electronics

Reverse Engineering Vercel's BotID

Asynchronous Error Handling Is Hard

Auth for B2B SaaS: it's not like auth for consumer software

New proof dramatically compresses space needed for computation

Hyper-Typing

Comments

The New Skill in AI Is Not Prompting, It's Context Engineering

I write type-safe generic data structures in C

The hidden JTAG in a Qualcomm/Snapdragon device’s USB port

There are no new ideas in AI only new datasets

They don't make 'em like that any more: Sony DTC-700 audio DAT player/recorder

The Original LZEXE (A.K.A. Kosinski) Compressor Source Code Has Been Released

End of an Era

Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

Show HN: New Ensō – first public beta

Creating fair dice from random objects

Xfinity using WiFi signals in your house to detect motion

The provenance memory model for C

Entropy of a Mixture

Jacobi Ellipsoid

Ask HN: What Are You Working On? (June 2025)

14.ai (YC W24) hiring founding engineers in SF to build a Zendesk alternative

Donkey Kong Country 2 and Open Bus

Ask HN: What's the 2025 stack for a self-hosted photo library with local AI?

The Plot of the Phantom, a text adventure that took 40 years to finish

Show HN: We're two coffee nerds who built an AI app to track beans and recipes

Researching LED Displays for the Time Circuits

Datadog's $65M/year customer mystery solved

Ask HN: 80s electronics book club; anyone remember this illustrator?

CertMate – SSL Certificate Management System

Cloud-forming isoprene and terpenes from crops may drastically improve climate

Printegrated Circuits: Merging 3D Printing and Electronics

Reverse Engineering Vercel's BotID

Asynchronous Error Handling Is Hard

Auth for B2B SaaS: it's not like auth for consumer software

New proof dramatically compresses space needed for computation