246. 3D-printed device splits white noise into an acoustic rainbow without power
230 points by rbanffy | 63 comments

247. Select FOR UPDATE considered harmful in PostgreSQL
41 points by samokhvalov | 2 comments

248. Show HN: Nexus.js - Fabric.js for 3D
90 points by ges | 28 comments

249. US Army Appoints Palantir, Meta, OpenAI Execs as Lt. Colonels
94 points by technologesus | 104 comments

250. OpenAI wins $200M U.S. defense contract
316 points by erikrit | 277 comments

251. Turbine Transport Transformer
7 points by LorenDB | 2 comments

252. Van Gogh, AMD's Steam Deck APU (2023)
23 points by thomasjb | 3 comments

253. Preparation of a neutral nitrogen allotrope hexanitrogen C2h-N6
37 points by bilsbie | 25 comments

254. Fossify – A suite of open-source, ad-free apps
433 points by jalict | 130 comments

255. Google aims to reinvent email with Wave (2009)
80 points by xattt | 93 comments

256. Show HN: Tiny Hoare logic verifier using SMT
11 points by namin | 1 comments

257. Resurrecting a dead torrent tracker and finding 3M peers
639 points by k-ian | 201 comments

258. ttl.sh – anonymous and ephemeral Docker image registry
7 points by gjvc | 0 comments

259. AI-assisted coding for teams that can't get away with vibes
7 points by m5r | 0 comments

260. How you breathe is like a fingerprint that can identify you
118 points by XzetaU8 | 85 comments

261. We’ve had a Denisovan skull since the 1930s—only nobody knew
11 points by Bluestein | 1 comments

262. Selfish reasons for building accessible UIs
212 points by feross | 125 comments

263. AMD's CDNA 4 Architecture Announcement
170 points by rbanffy | 52 comments

264. Making 2.5 Flash and 2.5 Pro GA, and introducing Gemini 2.5 Flash-Lite
368 points by meetpateltech | 221 comments

265. Show HN: Gifty – A real-world gift hunt you play with your feet
8 points by mrtranlyvu | 1 comments

266. Every service should have a killswitch – sean goedecke
6 points by rbanffy | 1 comments

267. Feedback Is Not an Attack
5 points by mooreds | 0 comments

268. Why SSL was renamed to TLS in late 90s (2014)
544 points by Bogdanp | 229 comments

269. Text-to-LoRA: Hypernetwork that generates task-specific LLM adapters (LoRAs)
135 points by dvrp | 17 comments

270. Occurences of swearing in the Linux kernel source code over time
178 points by microsoftedging | 265 comments

271. DropZap World – My falling block game with lasers, released after years of work
30 points by amichail | 16 comments

272. Show HN: Relix: A Unix-like OS based on MIT's xv6
9 points by huayra1 | 2 comments

273. How to write a (software) 3D polygon pipeline (2000)
3 points by oumua_don17 | 0 comments

274. Spherical CNNs (2018)
21 points by rkp8000 | 3 comments

275. Expert Generalists
29 points by ajhenaor | 1 comments

276. Show HN: Delve, an open source (AGPL) enterprise-grade data analytics platform
21 points by ilovetux | 19 comments

277. Show HN: PlutoBook – Fast, lightweight C++ library for generating PDF from HTML
9 points by sammycage | 2 comments

278. A shell command to create JSON: jo (2016)
14 points by homebrewer | 1 comments

279. Frequent reauth doesn't make you more secure
1271 points by ingve | 518 comments

280. Think of a Number
40 points by IdealeZahlen | 8 comments