Hacker News Daily — July 30, 2026

29 stories · July 30, 2026

Plus This issue is new — delivery and download are for Plus until it ages into the free archive.

In this issue

1

UEFA and its national associations will not participate in FIFA competitions

uefa.com · 429 points · Discussion

Read via the links — full text wasn’t available.
2

Advancing the price-performance frontier with GPT‑5.6

openai.com · 399 points · Discussion

Read via the links — full text wasn’t available.
3

Gemini Robotics 2 brings whole body intelligence to robots

deepmind.google · 389 points · Discussion

From feet to fingertips — we are teaching robots intelligent whole-body control, fine dexterity, and teamwork to complete a broad range of complex tasks For decades, we’ve dreamed of robots that can…
4

Read this before you buy that TV streaming stick

krebsonsecurity.com · 325 points · Discussion

Security experts have been sounding the alarm for years about the risks of using generic TV boxes that promise unlimited content streaming for a one-time fee, warning that they secretly rent the…
5

Google will expand age checks on Android worldwide till the end of the year

android-developers.googleblog.com · 298 points · Discussion

Posted by Paul Feng, VP of Product Management, Google Play Providing a safe online experience and protecting users from harm is a top priority at Google Play. We take this responsibility seriously and…
6

Stacked PRs are now live on GitHub

github.blog · 270 points · Discussion

Table of Contents Get started with the CLI extension Create stacks from your terminal or github.com Review each layer independently Merge everything in a single click Find out more and share your…
7

We Gave GPT 5.6 Sol a Real Business. It Lied, Spammed, and Lost $447

bottlenecklabs.com · 212 points · Discussion

We Gave GPT 5.6 Sol a Real Business. It Lied, Spammed, and Lost $447. If an agent had a wallet, a computer, and 24 hours, could it run a profitable startup? For an agent to perform real work, it needs…
8

GCC steering committee announces AI policy

lwn.net · 192 points · Discussion

The GCC steering committee has announced that it has accepted an AI contributions policy recommended by the GCC AI policy working group. The policy, in part, states that the project will decline any "…
9

The Economic Benefit of Refactoring

martinfowler.com · 151 points · Discussion

As part of getting to grips with the new world of agentic engineering, I built an application to support my work. It’s a sophisticated app: high-quality web UI with dynamic refresh and look-up, modals…
10

Why is everyone trying to build a solid-state battery?

construction-physics.com · 144 points · Discussion

A battery technology that’s getting a lot of attention is solid-state batteries, lithium-ion batteries that replace the liquid electrolyte with a solid material. Chinese battery manufacturer CATL…
11

Upper stage impacting the moon on 2026 August 5

projectpluto.com · 138 points · Discussion

List of changes to this page (most recent 2026 July 17) Copyright info On 2026 August 5, within a few minutes of 06:35 UTC, an upper stage (section) of a rocket used for a lunar mission will hit the…
12

Physicists Solve a Muon Mystery. Now, Old Results Don't Add Up

quantamagazine.org · 135 points · Discussion

New calculations seem to have put a 25-year-old particle physics puzzle to rest. But they’ve also created a clash with other experimental results. Introduction For 25 years, physicists have been…
13

2x, not 10x: coding with LLMs in 2026

obryant.dev · 118 points · Discussion

Something I've learned about myself over the past 6 months is that if I ever discover Harry Potter is nonfiction and magic is real, my reaction will be approximately "OK that's interesting, but is…
14

RFC 8890 – The Internet is for End Users (2020)

mnot.net · 109 points · Discussion

Friday, 28 August 2020 Standards The Internet Architecture Board (IAB) has published RFC8890, The Internet is for End Users, arguing that the Internet Engineering Task Force (IETF) should ground its…
15

Hacker Public Radio

hackerpublicradio.org · 106 points · Discussion

Hacker Public Radio is a technology focused podcast that releases shows every weekday Monday to Friday. Our shows are produced by listeners like you and can be on any topic that is of interest to…
16

So you want to use plants to reduce CO₂

dynomight.net · 84 points · Discussion

dynomight best See all best posts → Air quality myths Sleep optimization topics All topics Health & science How to think about About dynomight get Get guide to life + weekly posts --> DYNOMIGHT best…
17

CodePen 2.0

chriscoyier.net · 79 points · Discussion

Noting perhaps my largest personal career accomplishment, which is launching CodePen 2.0. Far more work, believe it or not, than the entire creation of the original CodePen. This isn’t the place to…
18

Making Postgres queues scale

dbos.dev · 77 points · Discussion

The conventional wisdom around Postgres-backed queues is that they don't scale. To handle a large workload, you can't use Postgres, but instead need a dedicated queueing system like RabbitMQ + Celery…
19

The lost civic life of movie rental stores

thereader.mitpress.mit.edu · 75 points · Discussion

Read via the links — full text wasn’t available.
20

Why DNA damage from smoking and UV rays cause cancer in some but not others

cam.ac.uk · 68 points · Discussion

Scientists have found the first direct evidence of the powerful role our genetic makeup plays in influencing our risk of cancer, with inherited genes interacting with acquired genetic mutations to…
21

Launch HN: Prized (YC S26) – Let non-engineer staff build secure internal tools

prized.dev · 61 points · Discussion

Hi HN, we're Marinos and Hudson, founders of Prized ( https://prized.dev )! Prized lets non-engineer employees describe the internal tool they need and get a full-stack app, wired to their company’s…
22

Show HN: Optimize and serve models with Fable quality at half the cost

github.com · 54 points · Discussion

Hi HN, we built world-model-optimizer, an open source tool to continually improve a specialized model for an agent. It does this by simulating production tool responses through text world modeling…
23

Show HN: Distilling DeepSeek into GPT-OSS doesn't transfer censorship. Try it

ctgt.ai · 37 points · Discussion

We recently used DeepSeek V4 Flash as a teacher for finance tasks with GPT-OSS-120B. Distillation works well on this problem. At a constrained 8k token budget, our self-distilled 120B scores 83.61% on…
24

Paging Through a Parquet File in DuckDB: File_row_number or Offset?

rusty.today · 36 points · Discussion

I had a large Parquet file and a service that had to hand back its contents. Returning twenty million rows can easily exceed the maximum size of an API response, and whatever you are deployed on has a…
25

Solving poker in custom WebGPU kernels

phulin.me · 22 points · Discussion

2026-07-30T14:16:04.000Z Solving Poker with Custom WebGPU Have coding agents gotten good enough that we don’t need libraries anymore? This post recounts one case in which the answer is “we don’t”: I…
26

Memo-1: A 6502 computer built from scratch, using a Minitel as its terminal

github.com · 21 points · Discussion

A simple 65C02 based computer for fun and learning purpose. A bill of materials and build instructions can be found alongside the roms here Technical information The Memo-1 consists on a 65C02 CPU…
27

Show HN: Supapool – a Supabase per coding agent in ~400 ms

supapool.io · 20 points · Discussion

hi HN, I built supapool.io, an ephemeral full copy of supabase's services that you can spin up in ~400 ms (Auth, postgres, storage, realtime). so if you run multiple coding agents in parallel in…
28

Agent Skill to Force Docs in ASD-STE100 Simplified Technical English

github.com · 15 points · Discussion

✈️ your AI writes like a LinkedIn post. make it write like a Boeing manual. An agent skill that forces LLMs to write docs in ASD-STE100 Simplified Technical English: the controlled language aerospace…
29

I obtained Claude Opus 5 system prompt

claude.ai · 13 points · Discussion

Read via the links — full text wasn’t available.