Hacker News Morning Brief: 2026-05-05
Good morning. Here are 30 stories from today’s Hacker News front page, organized by topic.
AI & Tech Policy
What I’m Hearing About Cognitive Debt (So Far)
Summary: Article explores a specific AI/ML topic: What I’m Hearing About Cognitive Debt (So Far). What I’m Hearing About Cognitive Debt (So Far) What I’m Hearing About Cognitive Debt (So Far) Blog Logo on 18 Feb 2026 read A week ago, I wrote about how Generative and Agentic AI may be amplifying what I’ve been calling cognitive debt : the accumulated gap b….
HN Discussion: There are many projects that should not be built agentically. For things that are appropriate to build with agents, I have come to hold the strong opinion that you need to go all-i.
Train Your Own LLM from Scratch
Summary: Article explores a specific AI/ML topic: Train Your Own LLM from Scratch. GitHub - angelos-p/llm-from-scratch · GitHub Skip to content Navigation Menu Toggle navigation Sign in Appearance settings Platform AI CODE CREATION GitHub Copilot Write better code with AI GitHub Spark Build and deploy intelligent apps GitHub Models Manage a….
HN Discussion: If you’re interested in this resource, I highly recommend checking out Stanford’s CS336 class. It covers all this curriculum in a lot more depth, introduces you into a lot of theor.
How OpenAI delivers low-latency voice AI at scale
Summary: Article explores a specific AI/ML topic: How OpenAI delivers low-latency voice AI at scale. Article fetch unavailable: HTTPError: HTTP Error 403: Forbidden.
HN Discussion: Very grateful that OpenAI published the article/publicized their usage of Pion[0] a library I work on. If you aren’t familiar with WebRTC it’s a super fun space. I work on a book W.
The Car That Watches You Back: The Advertising Infrastructure of Modern Cars
Summary: Article explores a specific AI/ML topic: The Car That Watches You Back: The Advertising Infrastructure of Modern Cars. The Car That Watches You Back — Nobody Asked for This content (article meta, JSON-LD, etc) —> Nobody Asked for This A field guide to technology no one requested. Nobody Asked for This Dumb is fine Dumb is fine Subscription Shame Shame Pivot Pivot Robot Robot….
HN Discussion: This one issue, privacy, has stopped me from buying a new car. It is stopping me from even buying a used one since it is hard to figure out how far back you need to go to be rid of.
Agent Skills
Summary: Article explores a specific AI/ML topic: Agent Skills. AddyOsmani.com - Agent Skills Home GitHub Press Biography Talks —> Mastodon —> LinkedIn Twitter Subscribe —> Newsletter Shop —> Blog Agent Skills May 3, 2026 A senior engineer’s job is mostly the parts that don’t show up in the diff. Specs. Tests. Reviews….
HN Discussion: Agents Skills are built upon “Five design decisions [that] are the load-bearing ones” And Open Design (HN front page yesterday) is supported by “Six load-bearing ideas” The similar.
Transformers Are Inherently Succinct (2025)
Summary: Article explores a specific AI/ML topic: Transformers Are Inherently Succinct (2025). [2510.19315] Transformers are Inherently Succinct Skip to main content Learn about arXiv becoming an independent nonprofit. We gratefully acknowledge support from the Simons Foundation, member institu…
HN Discussion: Seems intuitively sound; a larger model would have the ability to differentiate among a larger variety of concepts, which translates to a larger vocabulary and greater ability to u.
Formatting a 25M-line codebase overnight
Summary: Article explores a specific AI/ML topic: Formatting a 25M-line codebase overnight. Formatting an entire 25 million line codebase overnight: the rubyfmt story | Stripe Dot Dev Blog [ B ] Blog [ E ] Events [ D ] Docs [ Y ] Youtube [ G ] Github [ M ] Meetups Formatting an entire 25 million line codebase overnight: the rubyfmt story / Metadata….
HN Discussion: One of my first jobs was a small software company writing software for a small number of clients, in MS basic PDS. The lead developer didn’t like to bother with formatting code, so.
Security & Privacy
CVE-2026-31431: Copy Fail vs. rootless containers
Summary: Article explores a specific AI/ML topic: CVE-2026-31431: Copy Fail vs. rootless containers. CVE-2026-31431: Copy Fail vs. rootless containers - Andrea Veri’s Blog Home About me CVE-2026-31431: Copy Fail vs. rootless containers 04 May 2026 Table of Contents Table of Contents Introduction The vulnerability Analyzing the shellcode Setting up the lab Se….
HN Discussion: Sigh. 1. I would hope the default seccomp policy blocks AF_ALG in these containers. I bet it doesn’t. Oh well. 2. The write-to-RO-page-cache primitive STILL WORKED! It’s just that.
Securing a DoD contractor: Finding a multi-tenant authorization vulnerability
Summary: Article describes: Securing a DoD contractor: Finding a multi-tenant authorization vulnerability. Securing a DoD Contractor: Finding a Multi-Tenant Authorization Vulnerability - Strix.
HN Discussion: I’ve seen this at so many startups (and worked to patch the gaps and put in best practices) including those backed by top tier VCs. The problem is that it is rare for startups to h.
Microsoft Edge stores all passwords in memory in clear text, even when unused
Summary: Article explores a specific AI/ML topic: Microsoft Edge stores all passwords in memory in clear text, even when unused. Something went wrong, but don’t fret — let’s give it another shot. Try again Some privacy related extensions may cause issues on x.com. Please disable them and try again. window.INITIAL_STATE={“optimist”:[],“entities”:{“broadcasts”:{“entities”:{},“errors”….
HN Discussion: This feels like a case of “It rather involved being on the other side of this airtight hatchway”[1]. If you can read arbitrary process memory, you’re probably also in a position to.
Geopolitics & War
Pulitzer Prize Winner in International Reporting
Summary: Article explores a specific AI/ML topic: Pulitzer Prize Winner in International Reporting. Article fetch unavailable: HTTPError: HTTP Error 403: Forbidden.
HN Discussion: Quick, someone bury the “Do Palantir workers think they’re the bad guys?” thread!.
Tech Tools & Projects
About 10% of AMC movie showings sell zero tickets. This site finds them
Summary: About 10% of AMC movie showings sell zero tickets. This site finds them. Empty Screenings Empty Screenings About 10% of AMC movie showings sell zero tickets. This site finds them. Go enjoy your private theater. Search for theaters by ZIP code Search No empty rooms nearby r…
HN Discussion: I remember I went to a small showing once as a kid. It was just our group and 1 lady in the theater. We got to small talk and the lady mentioned she had once been the only customer.
Hand Drawn QR Codes
Summary: Article explores a specific AI/ML topic: Hand Drawn QR Codes. Hand‑drawn QR codes — Seth Larson Blog : About : RSS : Blogroll Hand‑drawn QR codes Seth Larson @ 2025-07-01 I really like QR codes. Recently I purchased a new sticky-note-like pad from a new local st…
HN Discussion: No HN discussion data available..
The Visible Zorker: Zork 3
Summary: The Visible Zorker: Zork 3. The Visible Zorker: Zork 3 PATREON The Visible Zorker : Zork 3 Loading… … Zork 3 × Welcome to the commentary track..
HN Discussion: Description for those who were confused, like me: https://eblong.com/infocom/visi/.
Web & Infrastructure
Bun is being ported from Zig to Rust
Summary: Article explores a specific AI/ML topic: Bun is being ported from Zig to Rust. docs: add Phase-A porting guide · oven-sh/bun@46d3bc2 · GitHub Skip to content Navigation Menu Toggle navigation Sign in Appearance settings Platform AI CODE CREATION GitHub Copilot Write better code with AI GitHub Spark Build and deploy intelligent apps GitH….
HN Discussion: Interesting to see this when the current top post on HN is someone worrying about Bun as it was acquired by Anthropic. The top comment there describes “Anthropic does experiments o.
When Networking Doesn’t Work
Summary: Article explores a specific AI/ML topic: When Networking Doesn’t Work. When Networking Doesn’t Work | OS/2 Museum Skip to content OS/2 Museum OS/2, vintage PC computing, and random musings Home About Wanted List OS/2 History OS/2 Beginnings OS/2 1.0 OS/2 1.1 OS/2 1.2 and 1.3 OS/2 16-bit Server OS/2 2.0 OS/2 2.1 and 2.11 OS/2 War….
HN Discussion: But what was the checksum? Like the actual, specific value? The Factorio devs found[1] that some devices do fail to compute checksums, in that they compute the checksum just fine,.
Academic & Research
Gaps in national food production, worldwide
Summary: Article explores a specific AI/ML topic: Gaps in national food production, worldwide. Gap between national food production and food-based dietary guidance highlights lack of national self-sufficiency | Nature Food Skip to main content Thank you for visiting nature.com. You are using a …
HN Discussion: > Fish and seafood self-sufficiency is particularly low across most regions This seems like an impossible requirement to meet for landlocked countries. I didn’t see how deep they g.
‘Point of no return’: New Orleans relocation must start now due to sea level
Summary: ‘Point of no return’: New Orleans relocation must start now due to sea level. ‘Point of no return’: New Orleans relocation must start now due to sea level, study finds | New Orleans | The Guardian .dcr-1gpubb{font-family:GuardianTextSans,“Guardian Text Sans Web”,“Helvetica Neue”,Helvetica,Arial,“Lucida Grande”,sans-serif;font-size:1.06….
HN Discussion: My roots are in Louisiana, and this makes me incredibly sad. It is such a unique place that has no like, and drives all tourism in the state. Where will tourists celebrate Mardi Gr.
History & Science
2-D Mathematical Curves
Summary: Article explores a specific AI/ML topic: 2-D Mathematical Curves. two dimensional curves mathematical curves Hi, you’ve entered a collection of 939 two-dimensional mathematical curves You can find a curve in five ways: 1. by name A B C D E F G H I J K L M N O P Q R …
HN Discussion: No HN discussion data available..
Testing macOS on the Apple Network Server 2.0 ROMs
Summary: Article explores a specific AI/ML topic: Testing macOS on the Apple Network Server 2.0 ROMs. Old Vintage Computing Research: Testing MacOS on the Apple Network Server 2.0 ROMs Old Vintage Computing Research REWIND and PLAY Saturday, May 2, 2026 Testing MacOS on the Apple Network Server 2.0 RO…
HN Discussion: It’s “Mac OS”, not “macOS”, or even “MacOS” (which is the title on the actual page). That said, this is some serious wizardry. I wish I had one of these to play with..
18th-century mechanical volcano roars to life 250 years later
Summary: Article explores a specific AI/ML topic: 18th-century mechanical volcano roars to life 250 years later. 18th-century mechanical volcano roars to life 250 years later | ScienceDaily Skip to main content Your source for the latest research news Follow: Facebook X/Twitter Subscribe: RSS Feeds Newsletter Ne…
HN Discussion: Had to look up a video that shows it in motion: https://www.instagram.com/reel/DMzuuPHMRdh/?utm_source=ig_we…
Buffon’s needle problem visualized
Summary: Buffon’s needle problem visualized. Needles/sec: Distance: Length: Pi: Stop Restart.
HN Discussion: Picking a random orientation depends on trigonometric functions. In order for this to calculate, it would be a lot cooler if it didn’t depend on transcendental functions..
Jonathan Swift’s Last Joke
Summary: Jonathan Swift’s Last Joke. Jonathan Swift’s Last Joke | The New Yorker .dZoWtJ{margin:0;}/!sc/ .cNCRRJ{margin:0;margin-top:3rem;}/!sc/ data-styled.g1[id=“BaseWrap-sc-SkJtP”]{content:“dZoWtJ,cNCRRJ,”}/!sc/ .kvegXe{margin:0;—type-token:consumptionEditorial.hed-standard;text-transf….
HN Discussion: I may be dense but I’ve reread the article several times trying to understand exactly how this jab was supposed to work against its target. Was it the mere physical juxtaposition a.
System Administration
pgxbackup: Continuity Support for pgBackRest
Summary: Article explores a specific AI/ML topic: pgxbackup: Continuity Support for pgBackRest. pgxbackup: Continuity Support for pgBackRest — The Build The Build search rss ☀ 2026-05-01 1 min PostgreSQL pgxbackup: Continuity Support for pgBackRest PGX is providing continuity support for pgBackR…
HN Discussion: Is the co-authoring by Claude good practice or is it better to not have that reference in each commit? I kind of feel all the commits by Claude everywhere are a marketing gig. In t.
Show HN: nfsdiag – A NFS diagnostic application
Summary: Article explores a specific AI/ML topic: Show HN: nfsdiag – A NFS diagnostic application. GitHub - lsferreira42/nfsdiag: A nfs doctor application · GitHub Skip to content Navigation Menu Toggle navigation Sign in Appearance settings Platform AI CODE CREATION GitHub Copilot Write better code with AI GitHub Spark Build and deploy intelligent apps Gi….
HN Discussion: That would havw saved me some time a year ago! Bookmarked for next time I use NFS. It’d be interesting if it were possible to have something for gpfs and lustrefs too. Thanks!.
Business & Industry
Y Combinator’s Stake in OpenAI (0.6%)
Summary: Article explores a specific AI/ML topic: Y Combinator’s Stake in OpenAI (0.6%). Daring Fireball: Y Combinator’s Stake in OpenAI By John Gruber Archive The Talk Show Dithering Projects Contact Colophon Feeds / Social Twitter —> Sponsorship OpenAI, Anthropic, Cursor, and Perplexity chose WorkOS over building it themselves. Y Combinator’s….
HN Discussion: “well-known AI expert Gary Marcus”.
Apple Explores Using Intel and Samsung to Build Main Device Chips in the US
Summary: Article explores a specific AI/ML topic: Apple Explores Using Intel and Samsung to Build Main Device Chips in the US. Article fetch unavailable: HTTPError: HTTP Error 403: Forbidden.
HN Discussion: Come on Apple at least start the process of building your own fabs. License some of the processes if you must. Otherwise you will always be at the mercy of fabs that are more focus.
Other
Kids bypass age verification with fake moustaches
Summary: Article explores a specific AI/ML topic: Kids bypass age verification with fake moustaches. Kids can bypass some age checks with a drawn-on mustache • The Register The Register Home Page Search Search The Register Navigation Topics Security All Security Cyber-crime Patches Research CSO Off-P…
HN Discussion: Of course they do. Only fools expected anything else. Does else anyone remember the “age verification” on ’80s video games? Some of them were hilarious. I think it was Leisure Suit.
Show HN: I Built a Museum Exhibit
Summary: Article explores a specific AI/ML topic: Show HN: I Built a Museum Exhibit. I Built a Museum Exhibit | ᕕʕ •ᴥ•ʔ୨ Shank Space ᕕʕ •ᴥ•ʔ୨ Shank Space Home Blog Now Guestbook Den I Built a Museum Exhibit 28 Apr, 2026 Designing for Curiosity, Spring 2026 School of Industrial Design, Georgia Tech Alice , Irene , Jessica , Shashank ; Professo….
HN Discussion: Thats awesome thanks for sharing. How did you settle on VR for the headset? >After briefly thinking about an implementation with an LCD screen behind an eye piece cutout, connected.
Some children are drawing on fake moustaches to bypass online age checks
Summary: Article explores a specific AI/ML topic: Some children are drawing on fake moustaches to bypass online age checks. Some children are drawing on fake moustaches to bypass online age checks, report finds | The Independent Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. Not now Yes please Jump to content UK Edition….
HN Discussion: None of this would be needed if it were up to parents to only give their kids child-locked devices, and society backed up the parents on that by making it easy to turn on child loc.