Devlogs, isomon experiments, GEO research, and the Friction Principle series. Long-form writing on building software, systems, and the friction that keeps human cognition alive in an AI-augmented world.https://signalsandsystems.jellwrites.com/en-ushttps://signalsandsystems.jellwrites.com/devlog/11-wcag-automated-audit/https://signalsandsystems.jellwrites.com/devlog/11-wcag-automated-audit/Building an in-house pa11y + puppeteer audit pipeline, then hunting down every confirmed WCAG 2.1 AA failure across light and dark themes: SVG contrast traps, CSS custom property blindness, @media vs .dark-class mismatches, and ARIA 1.2 attribute changes.Wed, 22 Apr 2026 00:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/tfp/01-cognitive-cost-convenience/https://signalsandsystems.jellwrites.com/tfp/01-cognitive-cost-convenience/A deep dive into the mounting research evidence that AI over-reliance is quietly eroding our critical thinking abilities, memory, and problem-solving skills. The automation complacency effect isn't coming: it's already here.Wed, 02 Jul 2025 00:00:00 GMTtfphttps://signalsandsystems.jellwrites.com/tfp/00-introduction-friction-principle/https://signalsandsystems.jellwrites.com/tfp/00-introduction-friction-principle/Introducing a framework for human-AI collaboration that preserves cognitive growth through intentional friction. When convenience becomes the enemy of cognition, how do we design AI systems that make us smarter, better and kinder, not just faster?Sun, 22 Jun 2025 00:00:00 GMTtfphttps://signalsandsystems.jellwrites.com/devlog/10-accessibility-implementation/https://signalsandsystems.jellwrites.com/devlog/10-accessibility-implementation/A comprehensive journey through web accessibility: conducting Lighthouse audits, fixing color contrast issues, implementing WCAG 2.1 AA compliance, and creating an accessibility policy that ensures universal access to technical content.Wed, 18 Jun 2025 00:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/devlog/9-citation-system-revamp/https://signalsandsystems.jellwrites.com/devlog/9-citation-system-revamp/Building a comprehensive resource discovery system: creating dedicated resource pages, implementing smooth drawer interactions, achieving accessibility excellence, and transforming citations from simple lists into an interactive research platform.Sun, 15 Jun 2025 00:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/devlog/8-newsletter-system/https://signalsandsystems.jellwrites.com/devlog/8-newsletter-system/Building a complete newsletter subscription system using Buttondown's free plan, custom redirect pages, Markdown email templates, and privacy-first principles for authentic audience engagement.Mon, 09 Jun 2025 00:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/devlog/7-citation-system-development/https://signalsandsystems.jellwrites.com/devlog/7-citation-system-development/How I built an interactive citation system that maintains academic rigor while optimizing content for AI discovery. From inline tooltips to validation scripts, here's the complete development journey.Sun, 01 Jun 2025 00:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/geo/1-what-is-geo-and-why-higher-ed-needs-it-now/https://signalsandsystems.jellwrites.com/geo/1-what-is-geo-and-why-higher-ed-needs-it-now/Generative Engine Optimization (GEO) is revolutionizing how students discover universities. Learn why higher education needs to optimize for AI-driven search results and generative engines like ChatGPT, Bard, and Bing Chat.Sun, 01 Jun 2025 00:00:00 GMTgeohttps://signalsandsystems.jellwrites.com/devlog/6-interactive-wiring-diagrams/https://signalsandsystems.jellwrites.com/devlog/6-interactive-wiring-diagrams/Deep dive into creating zoomable, interactive SVG wiring schematics that replace traditional text-based guides with visual clarity and enhanced user experience.Thu, 29 May 2025 00:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/isomon/1-building-the-first-node/https://signalsandsystems.jellwrites.com/isomon/1-building-the-first-node/Designing and implementing an IoT-powered environmental monitor for terrestrial isopods using ESP32-C6, modern sensors, and thoughtful engineering principles.Thu, 29 May 2025 00:00:00 GMTisomonhttps://signalsandsystems.jellwrites.com/devlog/5-cover-redesign/https://signalsandsystems.jellwrites.com/devlog/5-cover-redesign/Redesigning the devlog cover images with a unified grid system and tackling an elusive XML parsing error that had me stumped.Tue, 27 May 2025 16:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/devlog/4-deployment-and-debugging/https://signalsandsystems.jellwrites.com/devlog/4-deployment-and-debugging/Setting up GitHub Pages deployment with custom domains and implementing development-only debug patterns for better developer experience.Mon, 26 May 2025 15:31:00 GMTdevloghttps://signalsandsystems.jellwrites.com/devlog/3-dynamic-content/https://signalsandsystems.jellwrites.com/devlog/3-dynamic-content/My journey migrating from static files to a dynamic, type-safe content architecture using Astro Content Collections and MDX.Fri, 23 May 2025 00:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/devlog/2-interactive-components/https://signalsandsystems.jellwrites.com/devlog/2-interactive-components/Enhancing Content with Dynamic Elements While Respecting User PreferencesThu, 22 May 2025 00:00:00 GMTdevloghttps://signalsandsystems.jellwrites.com/devlog/1-platform-setup/https://signalsandsystems.jellwrites.com/devlog/1-platform-setup/Exploring how I established Signals & Systems, the technologies involved, and the decisions behind them.Wed, 21 May 2025 00:00:00 GMTdevlog