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Guide to the TD4 4-bit DIY CPU

https://www.philipzucker.com/td4-4bit-cpu/
17•andrewstuart•2d ago

Renting a sewing machine from the library

https://www.bbc.com/future/article/20260618-the-weird-and-wonderful-libraries-of-finland
180•sohkamyung•6h ago•90 comments

Developers don't understand CORS (2019)

https://fosterelli.co/developers-dont-understand-cors
83•toilet•4h ago•34 comments

Building Reliable Agentic AI Systems

https://martinfowler.com/articles/reliable-llm-bayer.html
12•sarangk90•1h ago•0 comments

Epoll vs. io_uring in Linux

https://sibexi.co/posts/epoll-vs-io_uring/
107•Sibexico•6h ago•30 comments

Loupe – A iOS app that raises awareness about what native apps can see

https://github.com/mysk-research/loupe
168•Cider9986•17h ago•45 comments

Show HN: TownSquare, a tiny presence layer for websites

https://townsquare.cauenapier.com/
127•cauenapier•17h ago•63 comments

Zigzag Decoding with AVX-512

https://zeux.io/2026/06/17/zigzag-decoding-avx512/
13•luu•3d ago•0 comments

Slow breathing modulates brain function and risk behavior

https://www.cell.com/neuron/fulltext/S0896-6273(26)00339-9
127•croes•7h ago•27 comments

15-minute at-home Lyme disease tick test

https://www.bostonglobe.com/2026/06/17/business/lyme-disease-tick-test/
78•bookofjoe•2d ago•25 comments

Guide to the TD4 4-bit DIY CPU

https://www.philipzucker.com/td4-4bit-cpu/
19•andrewstuart•2d ago•1 comments

Your brain was never designed for this much bad news

https://www.sciencedaily.com/releases/2026/06/260614012006.htm
56•colinprince•1h ago•25 comments

When I reject AI code even if it works

https://vinibrasil.com/when-i-reject-ai-code-even-if-it-works/
119•vnbrs•4h ago•69 comments

SMPTE Makes Its Standards Freely Accessible

https://www.smpte.org/blog/smpte-makes-its-standards-freely-accessible-openingstandards-library-t...
243•zdw•12h ago•71 comments

UHF X11: X11 Built for VisionOS and Apple Vision Pro

https://www.lispm.net/apps/uhf-x11/
188•zdw•12h ago•32 comments

Project Fetch: Phase Two

https://www.anthropic.com/research/project-fetch-phase-two
50•stopachka•5h ago•18 comments

DOS Game "F-15 Strike Eagle II" reversing project needs DOS test pilots

https://neuviemeporte.github.io/f15-se2/2026/06/20/needyou.html
229•LowLevelMahn•14h ago•61 comments

Unauthorized alert sent to cell phones across Brazil

https://www.cnn.com/2026/06/20/americas/brazil-hackers-unauthorized-alert-latam
113•zdw•9h ago•82 comments

NOLA 'Nacular: One man's crusade to preserve New Orleans's vernacular signage

https://countryroadsmagazine.com/art-and-culture/people-places/nola-nacular/
32•NaOH•4d ago•2 comments

Whole cross-sectional human ultrasound tomography

https://www.nature.com/articles/s41551-026-01660-4
55•lnyan•2d ago•9 comments

Semiconductor Lifeline Keeps Fighter Jets in the Air

https://spectrum.ieee.org/phoenix-semiconductors-legacychips-oems
62•rbanffy•4d ago•18 comments

Armstrong Effect

https://en.wikipedia.org/wiki/Armstrong_effect
11•userbinator•1h ago•1 comments

Alice is impatient

https://brooker.co.za/blog/2026/06/19/waiting.html
74•birdculture•9h ago•23 comments

Linux eliminates the strncpy API after six years of work, 360 patches

https://www.phoronix.com/news/Linux-7.2-Drops-strncpy
148•simonpure•8h ago•120 comments

PostgresBench: A Reproducible Benchmark for Postgres Services

https://clickhouse.com/blog/postgresbench
94•saisrirampur•10h ago•22 comments

Temporary Cloudflare accounts for AI agents

https://blog.cloudflare.com/temporary-accounts/
193•farhadhf•18h ago•101 comments

Show HN: StartupWiki – A Free Alternative to Crunchbase

https://startupwiki.tech/
181•shpran•13h ago•58 comments

Inference cost at scale with napkin math

https://injuly.in/blog/napkin-inference-cost/index.html
70•gmays•4d ago•15 comments

The rise of South Korea’s weapons business

https://www.politico.com/news/magazine/2026/06/20/south-korea-weapons-dealer-trump-00959559
130•JumpCrisscross•18h ago•46 comments

Show HN: Make PDFs look scanned (CLI or in the browser via WASM)

https://github.com/overflowy/make-look-scanned
105•overflowy•11h ago•49 comments

The Wholesale Plagiarism of Obscure Sorrows

https://waxy.org/2026/06/the-wholesale-plagiarism-of-obscure-sorrows/
357•ridesisapis•11h ago•143 comments