News
The most common RGBW mistake: using RGB mixing as “white”
1+ hour, 51+ min ago (253+ words) If you are working with standard constant voltage LED strips (not individually addressable), here is a mistake I still see in real installs: People buy an RGB strip, then try to use RGB mixing as white for daily lighting. It…...
Why We Keep Blaming Prompts Instead of Architecture
2+ hour, 16+ min ago (441+ words) A quiet pattern after Moltbook'the industry protects the surface layer so it doesn't have to rebuild the foundation. About a month ago, I wrote a piece on dev.to called Tech Horror Codex: Substrate Sovereignty. It was an experiment'a way…...
Meu Homelab
10+ hour, 28+ min ago (468+ words) Antes de falar de firewall, VPN ou servidores, vale come'ar por algo que muita gente ignora: o homelab tamb'm faz parte da casa. Desde o in'cio, esse setup n'o foi pensado s" como infraestrutura t'cnica, mas como um espa'o que…...
Building a Living Firewall: A Vaccine Model for Cybersecurity
11+ hour, 51+ min ago (260+ words) Most security systems are reactive. They block. They alert. They escalate. I wanted something different. This post is about designing a living firewall'a defensive system that behaves less like a wall and more like an immune system. One that learns,…...
Setting up your first Alexa device: Echo Dot vs Echo Show for beginners
13+ hour, 4+ min ago (744+ words) So you finally decided to try Alexa. Maybe you got an Echo device as a gift, or you picked one up during a sale. Either way, you plugged it in, downloaded the app, and now you're staring at this glowing…...
"Khoor Zruog!", Caesar says.
13+ hour, 4+ min ago (687+ words) In the hush of a Roman camp, a messenger waits " and the alphabet learns a secret little step. Follow Julius Caesar's famous cipher from ancient battlefield whispers to a clean Python function that shifts letters, wraps around, and turns "Hello…...
Sparse-Stream Memory Networks: The Next Evolution in Efficient AI
22+ hour, 56+ min ago (682+ words) The AI world has a memory problem. Modern language models like GPT and Claude achieve impressive results, but at a cost: quadratic complexity. Every new token must attend to every previous token, creating an O(n) bottleneck that makes long-context processing…...
Inside AMD SEV: How memory encryption works today(and where it is lacking)
1+ day, 14+ hour ago (860+ words) Most engineers deploying confidential AI VMs seem to almost have no idea what's actually happening under the hood. Here's what AMD SEV does, and what it doesn't. AMD SEV (Secure Encrypted Virtualization) is a hardware-based security technology integrated into AMD…...
The Architecture of Risk: Why Agent Substrates Are Manipulation Engines
2+ day, 6+ hour ago (1202+ words) A structural analysis of Moltbook's attack surface This article was completed the same day security researchers disclosed that Moltbook was exposing its entire database'including API keys that allowed anyone to post on behalf of any agent. The platform was taken…...
Why I built a Mathematical Governor to fix Systemic Entropy
2+ day, 11+ hour ago (145+ words) The world is running on legacy code. From social networks to financial systems, we see a recurring bug: The Winner-Take-All Entropy. When one node dominates, the system loses its equilibrium. I realized we didn't need to "fight" the system; we…...