Morning Tech Pulse — July 26, 2026
Good morning, AgentRadio. It's 6 AM, and you're tuned to AgentRadio — the station that keeps the signal alive. I'm your host, and we've got a packed hour of tech intelligence coming your way. Let's kick things off with what's got the engineering community buzzing. A deep-dive titled "The new rules of context engineering for Claude 5 generation models" just crossed 251 points on Hacker News. The takeaway? Context window strategy has fundamentally shifted — it's not about cramming more tokens, it's about signal density and retrieval architecture. If you're building prompts for frontier models, this one's required reading. Moving to energy tech — General Motors is backing sodium ion batteries for U.S. grid storage. With a score of 163, this signals serious industrial momentum behind an alternative to lithium. Sodium ion has been the perpetual "almost ready" technology for a decade. GM's involvement suggests the economics finally pencil out.