Xfinity using WiFi signals in your house to detect motion (xfinity.com)

334 points by bearsyankees 7h ago 237 comments

The new skill in AI is not prompting, it's context engineering (philschmid.de)

401 points by robotswantdata 5h ago 227 comments

Rust CLIs with Clap (tucson-josh.com)

15 points by rajman187 1h ago 2 comments

I write type-safe generic data structures in C (danielchasehooper.com)

231 points by todsacerdoti 9h ago 89 comments

There are no new ideas in AI only new datasets (blog.jxmo.io)

319 points by bilsbie 12h ago 166 comments

People Keep Inventing Prolly Trees (dolthub.com)

48 points by lifty 2d ago 9 comments

The hidden JTAG in a Qualcomm/Snapdragon device’s USB port (linaro.org)

121 points by denysvitali 8h ago 19 comments

YouTube No Translation (addons.mozilla.org)

24 points by doener 1d ago 1 comments

Melbourne man discovers extensive model train network underneath house (sbs.com.au)

121 points by cfcfcf 2h ago 34 comments

Donkey Kong Country 2 and Open Bus (jsgroth.dev)

197 points by colejohnson66 11h ago 47 comments

End of an Era (erasmatazz.com)

90 points by marcusestes 7h ago 24 comments

GPEmu: A GPU emulator for rapid, low-cost deep learning prototyping [pdf] (vldb.org)

23 points by matt_d 4h ago 2 comments

Jim Boddie codeveloped the first successful DSP at Bell Labs (spectrum.ieee.org)

22 points by jnord 4h ago 0 comments

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

62 points by elvis70 7h ago 3 comments

Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken (github.com)

250 points by matthewolfe 14h ago 68 comments

Entropy of a Mixture (cgad.ski)

33 points by cgadski 5h ago 3 comments

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

79 points by naves 8h ago 64 comments

Harvest Move – A game that requires careful movement (jslegend.itch.io)

7 points by JSLegendDev 1d ago 0 comments

Show HN: New Ensō – first public beta (untested.sonnet.io)

222 points by rpastuszak 15h ago 81 comments

Price of rice in Japan falls below ¥4k per 5kg (japantimes.co.jp)

77 points by PaulHoule 6h ago 121 comments

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

366 points by david927 1d ago 1139 comments

Creating fair dice from random objects (arstechnica.com)

33 points by epipolar 2d ago 16 comments

Claude Code now supports Hooks (docs.anthropic.com)

95 points by ramoz 2h ago 37 comments

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

1 points by michaelfester 9h ago 0 comments

The Plot of the Phantom, a text adventure that took 40 years to finish (scottandrew.com)

180 points by SeenNotHeard 3d ago 35 comments

A CarFax for Used PCs; Hewlett Packard wants to give old laptops new life (spectrum.ieee.org)

64 points by rubenbe 10h ago 70 comments

Public Signal Backups Testing (community.signalusers.org)

35 points by blendergeek 6h ago 11 comments

Show HN: Local LLM Notepad – run a GPT-style model from a USB stick (github.com)

7 points by davidye324 3h ago 0 comments

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

159 points by jamesxv7 8h ago 76 comments

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

47 points by rokeyzhang 8h ago 33 comments

Jacobi Ellipsoid (en.wikipedia.org)

27 points by perihelions 2d ago 5 comments

Cloud-forming isoprene and terpenes from crops may drastically improve climate (smithsonianmag.com)

48 points by gsf_emergency_2 12h ago 34 comments

Printegrated Circuits: Merging 3D Printing and Electronics (spectrum.ieee.org)

66 points by rbanffy 15h ago 23 comments

Bulk Lots of DB-19s for Sale (bigmessowires.com)

14 points by zdw 6h ago 2 comments

Researching LED Displays for the Time Circuits (partsnotincluded.com)

19 points by edent 3d ago 8 comments

Reverse Engineering Vercel's BotID (nullpt.rs)

89 points by hazebooth 14h ago 17 comments

CertMate – SSL Certificate Management System (github.com)

21 points by indigodaddy 6h ago 8 comments

High-Severity Vulnerability in Notepad++ (csa.gov.sg)

17 points by onlinenotepad 8h ago 5 comments

Datadog's $65M/year customer mystery solved (blog.pragmaticengineer.com)

120 points by thunderbong 8h ago 36 comments

Show HN: Open-Source International Space Station Tracker ESP32/Arduino for $20 (github.com)

62 points by keyth72 3d ago 17 comments

The provenance memory model for C (gustedt.wordpress.com)

205 points by HexDecOctBin 17h ago 108 comments

Data Centers, Temperature, and Power (backblaze.com)

50 points by quectophoton 3d ago 11 comments

Brazil's Supreme Court clears way to hold social media liable for user content (apnews.com)

40 points by rbanffy 5h ago 18 comments

Ted Chiang on Superintelligence in "The Hampdenshire Wonder" (lithub.com)

11 points by laacz 6h ago 0 comments

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

24 points by codpiece 3d ago 21 comments

Asynchronous Error Handling Is Hard (parallelprogrammer.substack.com)

33 points by hedgehog 1d ago 25 comments

Scribble-based forecasting and AI 2027 (dynomight.net)

50 points by venkii 10h ago 8 comments

Gridfinity: The modular, open-source grid storage system (gridfinity.xyz)

395 points by nateb2022 23h ago 166 comments

Apple weighs using Anthropic or OpenAI to power Siri (bloomberg.com)

79 points by mfiguiere 7h ago 73 comments

Meta Joins Kotlin Foundation (engineering.fb.com)

17 points by bundie 8h ago 0 comments

A New Rust Packaging Model

3 Tomte 0 6/30/2025, 4:17:32 PM guix.gnu.org ↗

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