Hacker News Daily — July 28, 2026
29 stories · July 28, 2026
In this issue
- 1
7.1 Earthquake in Japan
data.jma.go.jp · 757 points · Discussion
Read via the links — full text wasn’t available.
- 2
New HIV vaccine shows unprecedented success in preclinical study
lji.org · 461 points · Discussion
Highlights:  Scientists at La Jolla Institute for Immunology, Scripps Research have developed an HIV vaccine that trains immune cells to see past HIV’s defenses. This HIV vaccine works by…
- 3
How to survive boiling water
taxa.substack.com · 407 points · Discussion
The story of MIT’s most notorious milk carton begins, as many good stories do, in a college dorm. The milk in question was purchased in 1994 and rediscovered in 1995 by an undergrad named Justin Cave.…
- 4
Stop Killing the Internet: No Digital ID and No Age Verification
citizens-initiative.europa.eu · 373 points · Discussion
Read via the links — full text wasn’t available.
- 5
A walk through of the DeltaNet family of linear attention variants
blog.doubleword.ai · 271 points · Discussion
A note on notation: this article defaults to bra-ket notation because (in my quantum-inspired opinion) it makes the shapes in this derivation very clear. The Math notation switch above rewrites every…
- 6
Substack writers, you need a website
elizabethtai.com · 266 points · Discussion
“But I already have a website on Substack,” you argue. No, no, Substack is just a distribution tool to amplify your website. It should not be your digital home. In the last few years, I’ve noticed a…
- 7
Kimi Linear: An Expressive, Efficient Attention Architecture (2025)
arxiv.org · 249 points · Discussion
Authors: Kimi Team: Yu Zhang, Zongyu Lin, Xingcheng Yao, Jiaxi Hu, Fanqing Meng, Chengyin Liu, Xin Men, Songlin Yang, Zhiyuan Li, Wentao Li, Enzhe Lu, Weizhou Liu, Yanru Chen, Weixin Xu, Longhui Yu,…
- 8
Kimi K3 Architecture Overview and Notes
sebastianraschka.com · 193 points · Discussion
The Kimi K3 architecture figure for yesterday’s big open-weight model release, along with some observations and thoughts. Yes, it looks relatively complicated, but it’s essentially a scaled-up…
- 9
Delayed Gratification – Proud to Be 'Last to Breaking News'
slow-journalism.com · 179 points · Discussion
A slower, more reflective type of journalism” Jam-packed with information... a counterpoint to the speedy news feeds we've grown accustomed to” A leisurely (and contrary) look backwards over the…
- 10
DMARC has been public since 2012 but most company domains still don't enforce it
ciphercue.com · 158 points · Discussion
DMARC has existed since 2012. It is a free DNS record that tells receiving mail servers what to do with email that fails to authenticate as coming from your domain: report it, quarantine it, or reject…
- 11
Zig's Incremental Compilation Internals
mlugg.co.uk · 139 points · Discussion
As a member of the Zig core team, one of the most impactful projects I’ve been involved with is the implementation of incremental compilation into the Zig compiler. This feature allows the compiler to…
- 12
Steel Bank Common Lisp version 2.6.7
sbcl.org · 134 points · Discussion
New SBCL versions are usually released at the end of each month: check the Sourceforge File List to see the current version. The new features of all SBCL releases are listed below. 2.6.7 2.6.6 2.6.5…
- 13
Anthropeum – Where in the world, and when, does this human artifact belong?
anthropeum.com · 115 points · Discussion
Read via the links — full text wasn’t available.
- 14
Discovering Cryptographic Weaknesses with Claude
anthropic.com · 107 points · Discussion
Summary Using Claude Mythos Preview, researchers at Anthropic have discovered improved ways to attack cryptographic algorithms (the mathematical methods used to keep online data private). The first…
- 15
How Do I Profile eBPF Code?
naveensrinivasan.com · 91 points · Discussion
If we are running any eBPF workload or writing eBPF code, we want to measure its performance impact, and in this post we will demonstrate an example of how to do it. In this example, our goal is to…
- 16
Una GPS smart watch – Repairable, USB-C charging, developer-friendly
unawatch.com · 86 points · Discussion
THE GPS WATCH BUILT FOR LIFE. Repairable • Upgradeable • Sustainable 6-axis Accelerometer Dual Frequency GPS Always ON HR Monitoring USB-C Charging Fully modular 10-day battery life open sdk…
- 17
Show HN: XY – A Fast, composable, GPU-accelerated interactive plotting library
github.com · 86 points · Discussion
XY is an extremely fast, interactive, customizable Python charting library for the web, notebooks, and static exports. Charts are composed declaratively or through matplotlib conventions. You can…
- 18
Now Is the Time to Give LLMs Access to the ACM Digital Library
cacm.acm.org · 84 points · Discussion
Read via the links — full text wasn’t available.
- 19
Harmony Explained: Progress Towards a Scientific Theory of Music (2012)
arxiv.org · 75 points · Discussion
No PDF available, click to view other formats Abstract: Most music theory books are like medieval medical textbooks: they contain unjustified superstition, non-reasoning, and funny symbols glorified…
- 20
The iPhone Upgrade Program is being replaced by Apple Upgrade
apple.com · 73 points · Discussion
https://www.apple.com/shop/apple-upgrade
- 21
Uv 0.12.0
github.com · 67 points · Discussion
Released on 2026-07-28. Since we released uv 0.11.0 in March, we've accumulated changes that improve correctness, safety, and compatibility with specifications, but could break some workflows. This…
- 22
MCP 2026-07-28 Specification: transport going stateless
blog.modelcontextprotocol.io · 58 points · Discussion
Since our last November release MCP continued to grow at an astonishing rate. Across our Tier 1 SDKs, we’re seeing close to half-a-billion downloads a month, with both TypeScript and Python SDKs…
- 23
So, you want to make a game engine (2023)
lisyarus.github.io · 49 points · Discussion
So, you want to make a game engine 2023 Sep 15 Unity's recent controversy sparked a heated debate on game engines. Some said that everyone should immediately switch to a new engine, while others…
- 24
WOFF 1.0: a milestone on W3C's journey of fonts on the web
w3.org · 46 points · Discussion
Read via the links — full text wasn’t available.
- 25
The Fabled Flatbreads of Uzbekistan (2015)
aramcoworld.com · 32 points · Discussion
Read via the links — full text wasn’t available.
- 26
The most advanced robotic servicing satellite–that we know about
arstechnica.com · 24 points · Discussion
“These are things that tend to be really hard.” The Robotic Servicing of Geosynchronous Satellites (RSGS) payload resides in the cryogenic thermal vacuum chamber at the US Naval Research Laboratory’s…
- 27
How to organize 3 acquired companies into one coherent website
littlelanguagemodels.com · 13 points · Discussion
Company A has acquired Company B, C, and D. How do we organize their sites, for multiple products with different audiences, while making it easy to find relevant product information and quickly…
- 28
Conway's Game of Life, in real life
lcamtuf.coredump.cx · 12 points · Discussion
Read via the links — full text wasn’t available.
- 29
Pacing the frontier
pacingthefrontier.com · 11 points · Discussion
AI could help create a dramatically better future, but that outcome is not guaranteed. The world's leading AI companies believe they could be close to automating AI research. It is hard to predict…