Hacker News

1.		Xfinity using WiFi signals in your house to detect motion (xfinity.com)
		295 points by bearsyankees 6 hours ago \| hide \| 198 comments
2.		The new skill in AI is not prompting, it's context engineering (philschmid.de)
		368 points by robotswantdata 5 hours ago \| hide \| 212 comments
3.		I write type-safe generic data structures in C (danielchasehooper.com)
		226 points by todsacerdoti 9 hours ago \| hide \| 88 comments
4.		There are no new ideas in AI only new datasets (jxmo.io)
		307 points by bilsbie 11 hours ago \| hide \| 162 comments
5.		People Keep Inventing Prolly Trees (dolthub.com)
		36 points by lifty 3 hours ago \| hide \| 5 comments
6.		The Email Startup Graveyard: Why 80%+ of Email Companies Fail (forwardemail.net)
		18 points by skeptrune 1 hour ago \| hide \| discuss
7.		The hidden JTAG in a Qualcomm/Snapdragon device’s USB port (linaro.org)
		118 points by denysvitali 7 hours ago \| hide \| 18 comments
8.		Melbourne man discovers extensive model train network underneath house (sbs.com.au)
		91 points by cfcfcf 2 hours ago \| hide \| 29 comments
9.		Donkey Kong Country 2 and Open Bus (jsgroth.dev)
		192 points by colejohnson66 10 hours ago \| hide \| 45 comments
10.		GPEmu: A GPU emulator for rapid, low-cost deep learning prototyping [pdf] (vldb.org)
		20 points by matt_d 3 hours ago \| hide \| 2 comments
11.		End of an Era (erasmatazz.com)
		79 points by marcusestes 6 hours ago \| hide \| 17 comments
12.		The Original LZEXE (A.K.A. Kosinski) Compressor Source Code Has Been Released (clownacy.wordpress.com)
		58 points by elvis70 6 hours ago \| hide \| 3 comments
13.		Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken (github.com/m4thyou)
		247 points by matthewolfe 13 hours ago \| hide \| 67 comments
14.		Jim Boddie codeveloped the first successful DSP at Bell Labs (ieee.org)
		16 points by jnord 3 hours ago \| hide \| discuss
15.		YouTube No Translation (addons.mozilla.org)
		9 points by doener 1 hour ago \| hide \| 1 comment
16.		Entropy of a Mixture (cgad.ski)
		29 points by cgadski 4 hours ago \| hide \| 3 comments
17.		They don't make 'em like that any more: Sony DTC-700 audio DAT player/recorder (kevinboone.me)
		74 points by naves 7 hours ago \| hide \| 62 comments
18.		Price of rice in Japan falls below ¥4k per 5kg (japantimes.co.jp)
		71 points by PaulHoule 4 hours ago \| hide \| 103 comments
19.		Show HN: New Ensō – first public beta (sonnet.io)
		220 points by rpastuszak 13 hours ago \| hide \| 81 comments
20.		Creating fair dice from random objects (arstechnica.com)
		31 points by epipolar 5 hours ago \| hide \| 12 comments
21.		Ask HN: What Are You Working On? (June 2025)
		363 points by david927 1 day ago \| hide \| 1130 comments
22.		Claude Code now supports Hooks (anthropic.com)
		82 points by ramoz 1 hour ago \| hide \| 33 comments
23.		14.ai (YC W24) hiring founding engineers in SF to build a Zendesk alternative (14.ai)
		8 hours ago \| hide
24.		The provenance memory model for C (gustedt.wordpress.com)
		202 points by HexDecOctBin 16 hours ago \| hide \| 107 comments
25.		Beneath the canopy: Pioneering satellite reveals rainforests' hidden worlds (bbc.co.uk)
		7 points by ZeljkoS 2 hours ago \| hide \| 1 comment
26.		Public Signal Backups Testing (signalusers.org)
		32 points by blendergeek 6 hours ago \| hide \| 7 comments
27.		A CarFax for Used PCs; Hewlett Packard wants to give old laptops new life (ieee.org)
		63 points by rubenbe 9 hours ago \| hide \| 70 comments
28.		The Plot of the Phantom, a text adventure that took 40 years to finish (scottandrew.com)
		176 points by SeenNotHeard 17 hours ago \| hide \| 35 comments
29.		Ask HN: What's the 2025 stack for a self-hosted photo library with local AI?
		153 points by jamesxv7 7 hours ago \| hide \| 74 comments
30.		Show HN: We're two coffee nerds who built an AI app to track beans and recipes (beanbook.app)
		44 points by rokeyzhang 7 hours ago \| hide \| 30 comments
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