1. Claude Code Is Steganographically Marking Requests (thereallo.dev)
I inspected Claude Code for privacy reasons and found hidden system prompt markers based on API base URL and timezone.
2. Claude Sonnet 5 (www.anthropic.com)
Our most agentic Sonnet yet, with top-tier intelligence for coding and everyday professional work.
3. European digital ID wallets are a gift to Google and Apple (waag.org)
European governments are rolling out digital identity wallets, which are to be used by citizens to access services, and to verify their age online. There is a serious problem with this: these wallets rely on safety services of Google and Apple.
4. The US ambassador had Belgian police stop our reporting (europeancorrespondent.com)
Yesterday evening, the United States held its “Freedom 250” celebration – paid for by private companies, organised by the three American embassies in
5. Open Source Low Tech (opensourcelowtech.org)
6. Claude Science (claude.com)
7. The labor share of income in the US is at its lowest post-war level (libertystreeteconomics.newyorkfed.org)
A look at the decline of the labor share of income that occurred post-COVID, comparing its dynamics to declines in earlier periods.
8. Nano Banana 2 Lite (deepmind.google)
9. County with 37 Data Centers Asks Schools to 'Conserve Electricity' (www.404media.co)
Henrico County is a major hub for data centers in Virginia. Its officials said it expects a 25% rise in electricity costs next year, and advised workers to close the blinds and turn off their computers to make up for it.
10. Building a custom octocopter from scratch with no prior hardware experience (karolina.mgdubiel.com)
Building a custom octocopter from scratch with an RL controller that sustains flight through motor failures. Follow the build log.
12. I ported Kubernetes to the browser (ngrok.com)
Almost 100,000 lines of LLM-generated code in 2 months, and none of it is slop.
13. We Are the Last People Who Know How It Works (unix.foo)
You only ever know the things you can lose to.
14. CERN bids farewell to the LHC and enters Long Shutdown 3 (home.cern)
15. Leanstral 1.5 (docs.mistral.ai)
An updated Lean 4 formal proof engineering model optimised for automated theorem proving and autoformalization. 119B total parameters, 6.5B active.
16. LongCat-2.0, a large-scale MoE model with 1.6T total and 48B Active (longcat.chat)
17. US Supreme Court Just Blew Up EU-US Data Transfers (noyb.eu)
The US Supreme Court decided that the US Federal Trade Commission (“FTC”) may not be independent anymore - with major implications for EU-US Data Transfers.
18. How does a pull-back car work? Illustrated teardown (mechanical-pencil.com)
Illustrating the Engineering Around Us
20. Crypto firms have spent $189M so far on 2026 US election, report says (www.reuters.com)
21. Memory Safe Context Switching (longjmp, setjmp) in Fil-C (fil-c.org)
22. Linux for the Sega MegaDrive (github.com)
Linux for the Sega MegaDrive. Contribute to LinuxMD/linuxmd development by creating an account on GitHub.
23. Have You Restarted Your Computer This Week? (taonaw.com)
There's something about restarting my Mac on a Saturday morning. No real reason to do it anymore, but I like it. A clean slate for the weekend.
24. Looking Ahead to Postgres 19 (www.snowflake.com)
Discover the top PostgreSQL 19 features, including built-in REPACK CONCURRENTLY, SQL property graph queries (SQL/PGQ), and logical replication updates.
25. I built a mmWave material classification radar (gauthier-lechevalier.com)
26. Exercise intensity influences body composition in healthy older adults (www.maturitas.org)
27. Memoirs of Extraordinary Popular Delusions and the Madness of Crowds (www.gutenberg.org)
Free eBook digitized and proofread by volunteers.
29. Superpowers 6 (blog.fsck.com)
I'm Jesse. I make stuff. Software, hardware. Very occasionally, trouble.
30. A peek into Reddit's anti-spam internals (lyra.horse)
How Reddit accidentally leaked its spamurai system.