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Kafka Simulator v1.8 - multi-DC, DR and the Kafka CLI terminal

This release focuses on some of the harder Kafka architectures: stretched clusters, multi-region setups, failover, MirrorMaker 2, and disaster recovery. It also adds track 13, with nine scenarios driven directly from the terminal. That makes 20 new scenarios in total and brings the curriculum to 100 of 134.

How Much Watermark Can You Hide in AI Text?

A deliberately simple watermark model shows how much room a text watermark has: the entropy available at each token, how a small bias becomes detectable, and why length matters.

Learn about Google’s Project Suncatcher to put ML infrastructure in space

Learn about Google's Project Suncatcher, how we’re testing hardware survival for space, designing cooling systems for AI chips, and more. Learn about our early test to scale AI compute in space. In a new video series, the Project Suncatcher team explores the science behind this moonshot, what they've found, and the engineering challenges that remain to be solved.

AI Agents List [2026] | Frameworks, Agentic Harnesses & Useful Repos

The original was basically my own notepad that I decided to post before losing another version somewhere on my desktop lol. This one keeps that idea, with a much bigger list and a bit more organisation. There are frameworks for building your own agents, coding tools you can actually open and use, research agents, browser automation, voice agents, and a dedicated section for agentic harnesses. Also included the useful boring stuff: testing, tracing, permissions and checking whether a project is still maintained.

Google Gearing Up to Launch Experimental 'Data Center' Into Space Next Week

Google is gearing up to launch a fridge-sized data center satellite with the horsepower equivalent of a single server. As the New York Times reports, the prototype satellite is part of the tech giant’s Project Suncatcher. As its name suggests, the goal is to take advantage of unfiltered sunlight around the clock to power AI data centers in our planet’s orbit — instead of crushing the electrical grid, spewing copious amounts of pollution, and draining fresh water supplies back on the ground.

We just shipped support for the ugliest part of HTTP: Vary

Vary support is now available in Cache Rules on every plan. You can normalize known negotiation headers, pass exact values through to the origin when those small differences matter, or bypass cache when the variation is too unpredictable.

How Claude is uplifting biomolecular modeling

In this post, we share how Claude made the open-source models that scientists use to predict and design biomolecules faster and more memory-efficient. Claude, working within Claude Science, optimized more than 30 of these models in just under four weeks, speeding them up roughly 4x on average. It also created a low-memory mode that enables the accurate prediction of biomolecular systems larger than 10,000 tokens (amino acids, nucleotides, and atoms from small molecules and ions) on a single NVIDIA GPU node. We are open-sourcing all of the optimized code and announcing a protein design competition co-sponsored with Adaptyv Bio, backed by up to $1 million in Claude credits and wet lab validation for over 5,000 designs.

Spain leads quantum computing: 'Made in Spain' chips manufactured in Barcelona

The new IMB-CNM facility is equipped with cutting-edge tools for manufacturing nanometre-scale devices and has received investment exceeding six million euros.

How LLMs Actually Work

This post is a walkthrough of how LLMs work. Modern LLMs are mostly built by stacking transformer blocks over and over, so understanding the transformer machinery gets you most of the way there.I’ll cover the core mechanisms inside modern transformer-based LLMs, without all that sticky math stuff. Don’t get me wrong, you should learn the math, but this can serve as an introduction.Most modern LLMs share the same transformer-family skeleton. The differences come from what each one was trained on, the scale and configuration choices, and the post-training done on top. By the end, you should be able to read many modern LLM papers or model cards and know which piece of the architecture each section is talking about.

How an MIT research project became a global programming language

Julia, the programming language that originated as a research project at MIT, has gained a loyal following among scientists, engineers, mathematicians, and others. The free and open-source language counts more than 1 million users, including people at thousands of companies and universities around the world.

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