<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Nathan J. Harrell - research log</title><description>Independent research notes on AI as cognitive infrastructure, agentic engineering, and human-scale sovereignty.</description><link>https://nathanjharrell.com/</link><item><title>AI as a cognitive prosthesis: what we outsource, and what we keep</title><link>https://nathanjharrell.com/essays/ai-as-cognitive-prosthesis/</link><guid isPermaLink="true">https://nathanjharrell.com/essays/ai-as-cognitive-prosthesis/</guid><description>A short public framing for AI as external cognition: what gets offloaded, what should stay human, and why the interface matters.</description><pubDate>Tue, 07 Jul 2026 00:00:00 GMT</pubDate><category>cognition</category><category>accessibility</category><category>agentic-eng</category></item></channel></rss>