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  1. Xfinity using WiFi signals in your house to detect motion (xfinity.com)
    314 points by bearsyankees 7 hours ago | 211 comments
  2. The new skill in AI is not prompting, it's context engineering (philschmid.de)
    387 points by robotswantdata 5 hours ago | 213 comments
  3. I write type-safe generic data structures in C (danielchasehooper.com)
    229 points by todsacerdoti 9 hours ago | 88 comments
  4. There are no new ideas in AI only new datasets (blog.jxmo.io)
    310 points by bilsbie 12 hours ago | 164 comments
  5. People Keep Inventing Prolly Trees (dolthub.com)
    42 points by lifty 2 days ago | 6 comments
  6. The hidden JTAG in a Qualcomm/Snapdragon device’s USB port (linaro.org)
    121 points by denysvitali 8 hours ago | 19 comments
  7. The Email Startup Graveyard: Why 80%+ of Email Companies Fail (forwardemail.net)
    33 points by skeptrune 2 hours ago | 3 comments
  8. Rust CLIs with Clap (tucson-josh.com)
    6 points by rajman187 55 minutes ago | 1 comment
  9. Melbourne man discovers extensive model train network underneath house (sbs.com.au)
    101 points by cfcfcf 2 hours ago | 31 comments
  10. Donkey Kong Country 2 and Open Bus (jsgroth.dev)
    196 points by colejohnson66 11 hours ago | 45 comments
  11. GPEmu: A GPU emulator for rapid, low-cost deep learning prototyping [pdf] (vldb.org)
    21 points by matt_d 4 hours ago | 2 comments
  12. End of an Era (erasmatazz.com)
    81 points by marcusestes 7 hours ago | 20 comments
  13. The Original LZEXE (A.K.A. Kosinski) Compressor Source Code Has Been Released (clownacy.wordpress.com)
    59 points by elvis70 7 hours ago | 3 comments
  14. YouTube No Translation (addons.mozilla.org)
    16 points by doener 1 day ago | 1 comment
  15. Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken (github.com)
    248 points by matthewolfe 14 hours ago | 68 comments
  16. Jim Boddie codeveloped the first successful DSP at Bell Labs (spectrum.ieee.org)
    18 points by jnord 4 hours ago | discuss
  17. They don't make 'em like that any more: Sony DTC-700 audio DAT player/recorder (kevinboone.me)
    78 points by naves 8 hours ago | 62 comments
  18. Entropy of a Mixture (cgad.ski)
    30 points by cgadski 5 hours ago | 3 comments
  19. Price of rice in Japan falls below ¥4k per 5kg (japantimes.co.jp)
    75 points by PaulHoule 6 hours ago | 107 comments
  20. Creating fair dice from random objects (arstechnica.com)
    32 points by epipolar 3 days ago | 16 comments
  21. Show HN: New Ensō – first public beta (untested.sonnet.io)
    220 points by rpastuszak 15 hours ago | 81 comments
  22. Ask HN: What Are You Working On? (June 2025)
    366 points by david927 1 day ago | 1135 comments
  23. The provenance memory model for C (gustedt.wordpress.com)
    205 points by HexDecOctBin 17 hours ago | 108 comments
  24. Claude Code now supports Hooks (docs.anthropic.com)
    88 points by ramoz 2 hours ago | 35 comments
  25. 14.ai (YC W24) hiring founding engineers in SF to build a Zendesk alternative (14.ai)
    by michaelfester 9 hours ago
  26. A CarFax for Used PCs; Hewlett Packard wants to give old laptops new life (spectrum.ieee.org)
    64 points by rubenbe 10 hours ago | 70 comments
  27. Public Signal Backups Testing (community.signalusers.org)
    33 points by blendergeek 6 hours ago | 9 comments
  28. The Plot of the Phantom, a text adventure that took 40 years to finish (scottandrew.com)
    177 points by SeenNotHeard 3 days ago | 35 comments
  29. Ask HN: What's the 2025 stack for a self-hosted photo library with local AI?
    156 points by jamesxv7 8 hours ago | 74 comments
  30. Show HN: We're two coffee nerds who built an AI app to track beans and recipes (beanbook.app)
    45 points by rokeyzhang 8 hours ago | 33 comments
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