1. Discovering, detecting, and surgically removing Google's AI watermark (github.com)
reverse engineering Gemini's SynthID detection. Contribute to aloshdenny/reverse-SynthID development by creating an account on GitHub.
2. Lichess and Take Take Take Sign Cooperation Agreement (lichess.org)
Take Take Take will use Lichess as the infrastructure of their new play zone, in a win for open source
4. ChatGPT Pro is now $100/month (chatgpt.com)
5. Show HN: 41 years sea surface temperature anomalies (ssta.willhelps.org)
6. A WebGPU Implementation of Augmented Vertex Block Descent (github.com)
WebGPU physics engine based on the AVBD solver. Contribute to jure/webphysics development by creating an account on GitHub.
7. Emperor penguin and Antarctic fur seal now endangered (iucn.org)
Gland, Switzerland, 9 April 2026 (IUCN) – The emperor penguin and Antarctic fur seal are now both Endangered, according to The IUCN Red List of Threatened Species™. Climate change in Antarctica is leading to changes in sea-ice that are projected to cause the emperor penguin population to halve by the 2080s, while reduced food availability has already driven a 50% reduction in the Antarctic fur seal population since 2000. The southern elephant seal is also now at risk of extinction, due to disease.
8. Newly created Polymarket accounts win big on well-timed Iran ceasefire bets (www.theguardian.com)
Customers make hundreds of thousands of dollars as records show substantial bets made before announcement
9. Hegel, a universal property-based testing protocol and family of PBT libraries (hegel.dev)
A universal property-based testing protocol and family of libraries, built on Hypothesis
10. Session is shutting down in 90 days (getsession.org)
The Session Technology Foundation cannot continue without your support. Donate today to help Session in its fight for survival.
11. Dr. Dobb's Developer Library DVD 6 (archive.org)
Welcome to DDJ Devloper Library DVD-ROM, which contains articlesfrom Dr. Dobb
12. Show HN: Moon simulator game, ray-casting (mooncraft2000.com)
13. Creating the Futurescape for the Fifth Element (theasc.com)
Digital Domain’s imagery experts help to create eye-boggling visual effects for Luc Besson’s sci-fi fantasy.
14. Tree Calculus (treecalcul.us)
One operator. Trivial semantics. Turing complete. Intensional.
16. Six (and a half) intuitions for KL divergence (www.perfectlynormal.co.uk)
17. Moving from WordPress to Jekyll (and static site generators in general) (www.demandsphere.com)
Some technical notes on how and why we moved from WordPress to Jekyll, a well-known static site generator (SSG).
18. Bitmap fonts make computers feel like computers again (korigamik.dev)
On why bitmap fonts still carry more life than most default tech type.
19. Study found that young adults have grown less hopeful and more angry about AI (www.nytimes.com)
20. What Does It Mean to "Write Like You Talk"? (arjunpanickssery.substack.com)
21. Trump administration orders dismantling of the U.S. Forest Service (www.hatchmag.com)
Late Tuesday afternoon, with the subtlety of a wrecking ball and the morality of a foreclosure notice, the Trump administration announced the most devastating attack on the U.S. Forest Service in the agency’s 121-year history. Not a budget cut. Not a policy shift. Not a “reorganization.” An execution.
22. C# in Unity 2026: Features Most Developers Still Don't Use (darkounity.com)
Learn practical C# features Unity developers still skip in 2026: properties, tuples, LINQ performance, and records with real examples.
23. Show HN: Druids – Build your own software factory (github.com)
Contribute to fulcrumresearch/druids development by creating an account on GitHub.
24. Show HN: A (marginally) useful x86-64 ELF executable in 301 bytes (github.com)
Battery info program for x86-64 Linux laptops in 298 bytes of machine code - meribold/btry
25. Small Engines (scottlocklin.wordpress.com)
One of the interesting things to contemplate is the scale of the internal combustion engine. It’s a very human scale device; pistons the size of fists, Valves about as wide as knuckles. It…
26. What Game Engines Know About Data That Databases Forgot (nockawa.github.io)
Game engines and databases solved the same problem independently. Typhon draws from both traditions to build a database engine purpose-built for game servers.
27. Robots Eat Cars (telemetry.endeff.com)
Modern cars are starting to operate on robot architecture, and that foreshadows how such architecture will spread to every industry that moves physical things.
28. Little Snitch comes to Linux, but the core logic is closed source (the.unknown-universe.co.uk)
Why I’m skipping the new Little Snitch for Linux in favour of my existing, transparent AdGuard Home and OpenSnitch setup.
29. Process Manager for Autonomous AI Agents (botctl.dev)
Run autonomous AI agent bots from a single CLI. Terminal dashboard, web UI, declarative config, and session management.
30. OpenAI puts Stargate UK on ice, blames energy costs and red tape (www.theregister.com)
: Sam Altman's datacenter dreams hit a wall of watts and wonkery, cooling Britain's AI ambitions