2025-09-21 front | Hacker News

Stories from September 21, 2025

Go back a day, month, or year. Go forward a day or month.

1.		Sj.h: A tiny little JSON parsing library in ~150 lines of C99 (github.com/rxi)
		473 points by simonpure 7 months ago [ext] \| 240 comments [ext]
2.		Teardown of Apple 40W dynamic power adapter with 60W max (chargerlab.com)
		235 points by givinguflac 7 months ago [ext] \| 220 comments [ext]
3.		iFixit iPhone Air teardown (ifixit.com)
		360 points by zdw 7 months ago [ext] \| 223 comments [ext]
4.		When Peak AI Capability Arrives at Impractical Prices, Deployment Lags (tobyord.com)
		290 points by oox1230 1 day ago \| hide \| 120 comments
4.		DXGI debugging: Microsoft put me on a list (slugcat.systems)
		287 points by todsacerdoti 7 months ago [ext] \| 86 comments [ext]
5.		AI was supposed to help juniors shine. Why does it mostly make seniors stronger? (elma.dev)
		461 points by elmsec 7 months ago [ext] \| 466 comments [ext]
6.		Spectral Labs releases SGS-1: the first generative model for structured CAD (spectrallabs.ai)
		319 points by JumpCrisscross 7 months ago [ext] \| 65 comments [ext]
7.		Montreux convention traps Russia's Mediterranean task force (theconversation.com)
		67 points by jek5337 489 days ago \| hide \| 26 comments
7.		Why your outdoorsy friend suddenly has a gummy bear power bank (theverge.com)
		258 points by arnon 7 months ago [ext] \| 319 comments [ext]
8.		I forced myself to spend a week in Instagram instead of Xcode (pixelpusher.club)
		264 points by wallflower 7 months ago [ext] \| 109 comments [ext]
9.		Why, as a responsible adult, SimCity 2000 hits differently (arstechnica.com)
		249 points by doppp 7 months ago [ext] \| 345 comments [ext]
10.		From development to productionalization: The next evolution of the software shop ()
		46 points by gin5806 11 hours ago \| hide \| 47 comments
10.		Were RNNs all we needed? A GPU programming perspective (dhruvmsheth.github.io)
		107 points by omegablues 7 months ago [ext] \| 31 comments [ext]
11.		How Isaac Newton discovered the binomial power series (2022) (quantamagazine.org)
		90 points by FromTheArchives 7 months ago [ext] \| 18 comments [ext]
12.		Timesketch: Collaborative forensic timeline analysis (github.com/google)
		130 points by apachepig 7 months ago [ext] \| 13 comments [ext]
13.		What Happens When You Hand GPT-5 and Claude Real Money (nof1.ai)
		454 points by esn516 151 days ago \| hide \| 8 comments
13.		LaLiga's Anti-Piracy Crackdown Triggers Widespread Internet Disruptions in Spain (reclaimthenet.org)
		400 points by akyuu 7 months ago [ext] \| 197 comments [ext]
14.		Writing a competitive BZip2 encoder in Ada from scratch in a few days – part 3 (gautiersblog.blogspot.com)
		97 points by etrez 7 months ago [ext] \| 9 comments [ext]
15.		The bloat of edge-case first libraries (43081j.com)
		134 points by PaulHoule 7 months ago [ext] \| 146 comments [ext]
16.		The Venture Drug: How $20M Seeds Kill Founder Optionality ()
		491 points by nrx2341 119 days ago \| hide \| 105 comments
16.		Calculator Forensics (2002) (rskey.org)
		91 points by ColinWright 7 months ago [ext] \| 41 comments [ext]
17.		Oxford loses top 3 university ranking in the UK (hotminute.co.uk)
		271 points by ilamont 7 months ago [ext] \| 428 comments [ext]
18.		Meta exposé author faces $50k fine per breach of non-disparagement agreement (theguardian.com)
		443 points by mindracer 7 months ago [ext] \| 352 comments [ext]
19.		A Basket of Tiny Currencies Is Eating the Dollar's Reserve Share (wolfstreet.com)
		488 points by gon322 113 days ago \| hide \| 68 comments
19.		A brief history of threads and threading (eclecticlight.co)
		95 points by emschwartz 7 months ago [ext] \| 28 comments [ext]
20.		They Thought They Were Free (1955) (uchicago.edu)
		602 points by nataliste 7 months ago [ext] \| 503 comments [ext]
21.		Amazon to end commingling after years of complaints from brands and sellers (modernretail.co)
		421 points by blindriver 7 months ago [ext] \| 156 comments [ext]
22.		When Inside Information Meets Polymarket: The Venezuela Coup Trade (archive.ph)
		298 points by can738 84 days ago \| hide \| 122 comments
22.		INapGPU: Text-mode graphics card, using only TTL gates (github.com/leoneq)
		92 points by userbinator 7 months ago [ext] \| 15 comments [ext]
23.		In defence of swap: common misconceptions (2018) (chrisdown.name)
		116 points by jitl 7 months ago [ext] \| 150 comments [ext]
24.		Learning Languages with the Help of Algorithms (johndcook.com)
		80 points by ibobev 7 months ago [ext] \| 41 comments [ext]
25.		Structure Over Style: How Knowledge and Practice Beat Natural Speaking Talent (m.youtube.com)
		81 points by pom4591 229 days ago \| hide \| 180 comments
25.		Vibe coding cleanup as a service (donado.co)
		250 points by sjdonado 7 months ago [ext] \| 144 comments [ext]
26.		Lidar, optical distance and time of flight sensors (ams-osram.com)
		71 points by mahirsaid 7 months ago [ext] \| 28 comments [ext]
27.		A coin flip by any other name (2023) (cgad.ski)
		53 points by lawrenceyan 7 months ago [ext] \| 8 comments [ext]
28.		Adoption, Not Product, Is What Kills Vertical Software Bets ()
		374 points by ium4024 70 days ago \| hide \| 174 comments
28.		[flagged] Show HN: I wrote an OS in 1000 lines of Zig (github.com/botirk38)
		151 points by botirk 7 months ago [ext] \| 34 comments [ext]
29.		Show HN: Freeing GPUs stuck by runaway jobs (github.com/kagehq)
		37 points by lexokoh 7 months ago [ext]
30.		Apple Silicon GPU Support in Mojo (modular.com)
		156 points by mpweiher 7 months ago [ext] \| 69 comments [ext]
31.		Why Whoever Reaches AGI First Won't Actually Own Intelligence ()
		215 points by fik8005 56 days ago \| hide \| 155 comments
		More