Projects

Side projects I build to stay close to implementation. Most start as an itch I can't scratch at work — something I want to use myself, or a methodology I want to understand by shipping it.

  1. Jiddu

    Live

    Three tools in one for reading text critically: fallacy detector, fact-check, and neutrality assessment.

    Next.js 16React 19TypeScriptPrismaOpenRouter

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    jiddu.app ↗rafaehlers/jiddu

  2. Gravitational Well 3D

    Live

    Interactive 3D visualization of General Relativity. Volumetric spacetime grid deformed in real time by a GLSL vertex shader — up to 8 masses, gravitational waves, and test particles following geodesics.

    Three.jsGLSLReact 19TypeScriptVite 6

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    ai.studio/apps/72c93938-38d3-42d7-bb3b-621f8014402a ↗rafaehlers/Gravitational-Well-3D