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Stories from June 30, 2025 (UTC)
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1.
Gridfinity: The modular, open-source grid storage system (gridfinity.xyz)
406 points by nateb2022 1 day ago | 169 comments
2.
Cell Towers Can Double as Cheap Radar Systems for Ports and Harbors (2014) (ieee.org)
132 points by transpute 1 day ago | 69 comments
3.
The new skill in AI is not prompting, it's context engineering (philschmid.de)
600 points by robotswantdata 12 hours ago | 305 comments
4.
Donkey Kong Country 2 and Open Bus (jsgroth.dev)
228 points by colejohnson66 18 hours ago | 54 comments
5.
I write type-safe generic data structures in C (danielchasehooper.com)
306 points by todsacerdoti 16 hours ago | 113 comments
6.
Show HN: New Ensō – first public beta (sonnet.io)
237 points by rpastuszak 22 hours ago | 82 comments
7.
Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken (github.com/m4thyou)
256 points by matthewolfe 20 hours ago | 71 comments
8.
The provenance memory model for C (gustedt.wordpress.com)
213 points by HexDecOctBin 23 hours ago | 115 comments
9.
New proof dramatically compresses space needed for computation (scientificamerican.com)
184 points by baruchel 3 days ago | 94 comments
10.
The $25k car is going extinct? (hubspot.com)
305 points by pseudolus 1 day ago | 1042 comments
11.
A glob of 99M-year-old amber trapped a zombie fungus erupting from a fly (cnn.com)
124 points by jackgavigan 4 days ago | 65 comments
12.
The Plot of the Phantom, a text adventure that took 40 years to finish (scottandrew.com)
187 points by SeenNotHeard 3 days ago | 37 comments
13.
The Book of Shaders (2015) (thebookofshaders.com)
184 points by max_ 4 days ago | 24 comments
14.
The hidden JTAG in a Qualcomm/Snapdragon device’s USB port (linaro.org)
167 points by denysvitali 14 hours ago | 23 comments
15.
Anticheat Update Tracking (not-matthias.github.io)
113 points by not-matthias 1 day ago | 63 comments
16.
Sony DTC-700 audio DAT player/recorder (kevinboone.me)
93 points by naves 15 hours ago | 74 comments
17.
Ultrasound toothbrush promises painless checks for hidden gum problems (phys.org)
86 points by PaulHoule 4 days ago | 67 comments
18.
Touching the back wall of the Apple store (lauramichet.com)
248 points by nivethan 4 days ago | 205 comments
19.
The original LZEXE (A.K.A. Kosinski) compressor source code has been released (clownacy.wordpress.com)
86 points by elvis70 13 hours ago | 4 comments
20.
Finding a former Australian prime minister’s passport number on Instagram (2020) (pdf.zone)
166 points by guiambros 1 day ago | 61 comments
21.
NativeJIT: A C++ expression –> x64 JIT (2018) (github.com/bitfunnel)
72 points by nateb2022 1 day ago | 42 comments
22.
End of an Era (erasmatazz.com)
140 points by marcusestes 14 hours ago | 38 comments
23.
Use keyword-only arguments in Python dataclasses (chipx86.blog)
94 points by Bogdanp 1 day ago | 51 comments
24.
Want to meet people, try charging them for it? (eatonphil.com)
184 points by ArneVogel 1 day ago | 88 comments
25.
Jane Austen's Boldest Novel Is Also Her Least Understood (nytimes.com)
93 points by lermontov 3 days ago | 16 comments
26.
Ask HN: What's the 2025 stack for a self-hosted photo library with local AI?
191 points by jamesxv7 15 hours ago | 89 comments
27.
A CarFax for Used PCs; Hewlett Packard wants to give old laptops new life (ieee.org)
78 points by rubenbe 16 hours ago | 84 comments
28.
Building untrusted container images safely at scale (depot.dev)
27 points by Telstrom90 4 days ago | 24 comments
29.
Entropy of a Mixture (cgad.ski)
45 points by cgadski 12 hours ago | 3 comments
30.
Cross-Compiling Common Lisp for Windows (fosskers.ca)
68 points by todsacerdoti 3 days ago | 6 comments

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