• 171 Upcoming Changes to Let's Encrypt Certificates (community.letsencrypt.org)
  by schmuckonwheels 3 hours ago | 115 comments
• 41 Fix HDMI-CEC weirdness with a Raspberry Pi and a $7 cable (johnlian.net)
  by jlian an hour ago | 10 comments
• 43 “Are you the one?” is free money (blog.owenlacey.dev)
  by samwho 4 days ago | 5 comments
• 71 Essential Semiconductor Physics [pdf] (nanohub.org)
  by akshatjiwan 2 days ago | 4 comments
• 9 Economics of Orbital vs. Terrestrial Data Centers (andrewmccalip.com)
  by flinner an hour ago | 2 comments
• 21 A kernel bug froze my machine: Debugging an async-profiler deadlock (questdb.com)
  by bluestreak 2 hours ago | 8 comments
• 437 “Super secure” messaging app leaks everyone's phone number (ericdaigle.ca)
  by e_daigle 3 hours ago | 179 comments
• 133 US TikTok investors in limbo as deal set to be delayed again (bbc.com)
  by 1659447091 3 days ago | 69 comments
• 70 Cosmic-ray bath in a past supernova gives birth to Earth-like planets (science.org)
  by toomuchtodo 6 hours ago | 20 comments
• 67 Chafa: Terminal Graphics for the 21st Century (hpjansson.org)
  by birdculture 5 hours ago | 7 comments
• 97 Umbrel – Personal Cloud (umbrel.com)
  by oldfuture 3 hours ago | 54 comments
• 15 1/4 of US-Trained Scientists Eventually Leave. Is the US Giving Away Its Edge? (arxiv.org)
  by bikenaga 2 hours ago | 5 comments
• 321 Avoid UUID Version 4 Primary Keys in Postgres (andyatkinson.com)
  by pil0u 13 hours ago | 330 comments
• 13 I used Claude Code to write a piano web app (jcurcioconsulting.com)
  by Jeremy1026 2 hours ago | 2 comments
• 335 Carrier Landing in Top Gun for the NES (relaxing.run)
  by todsacerdoti 9 hours ago | 134 comments
• 15 Liquid-rust: Liquid templating for Rust (github.com)
  by transpute 6 days ago | 12 comments
• 19 The appropriate amount of effort is zero (expandingawareness.org)
  by gmays 3 hours ago | 14 comments
• 178 It seems that OpenAI is scraping [certificate transparency] logs (benjojo.co.uk)
  by pavel_lishin 9 hours ago | 93 comments
• 453 I'm Kenyan. I don't write like ChatGPT, ChatGPT writes like me (marcusolang.substack.com)
  by florian_s 11 hours ago | 304 comments
• 56 We are discontinuing the dark web report (support.google.com)
  by satertek 8 hours ago | 23 comments
• 4 Nature's many attempts to evolve a Nostr (newsletter.squishy.computer)
  by fiatjaf 5 days ago | discuss
• 243 Problems with D-Bus on the Linux desktop (blog.vaxry.net)
  by LorenDB 4 hours ago | 149 comments
• 25 We architected an edge caching layer to eliminate cold starts (mintlify.com)
  by skeptrune 7 hours ago | 15 comments
• 22 Secret Documents Show Pepsi and Walmart Colluded to Raise Food Prices (thebignewsletter.com)
  by connor11528 an hour ago | 1 comments
• Optery (YC W22) Hiring CISO, Release Manager, Tech Lead (Node), Full Stack Eng (optery.com)
  11 hours ago   job
• 70 Building an efficient hash table in Java (bluuewhale.github.io)
  by birdculture 2 days ago | 7 comments
• 380 Ask HN: What Are You Working On? (December 2025) ()
  by david927 a day ago | 1267 comments   ask
• 75 Show HN: A pager (udp7777.com)
  by keepamovin a day ago | 29 comments
• 48 Show HN: I Ching simulator with accurate Yarrow Stalk probabilities (castiching.com)
  by jackzhuo 2 days ago | 30 comments
• 152 US Tech Force (techforce.gov)
  by purple_ferret 5 hours ago | 195 comments