DTF:HN for February 4, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for February 4, 2026. Featuring: I miss thinking hard, Data centers in space makes no sense, Show HN: Ghidra MCP Server – 110 tools for AI-assisted reverse engineering, Lessons learned shipping 500 units of my first hardware product, Brazilian Micro-SaaS Map, and more. Stories covered: 1. I miss thinking hard https://www.jernesto.com/articles/thinking_hard HN discussion: https://news.ycombinator.com/item?id=46881264 2. Data centers in space makes no sense https://civai.org/blog/space-data-centers HN discussion: https://news.ycombinator.com/item?id=46876105 3. Show HN: Ghidra MCP Server – 110 tools for AI-assisted reverse engineering https://github.com/bethington/ghidra-mcp HN discussion: https://news.ycombinator.com/item?id=46882389 4. Lessons learned shipping 500 units of my first hardware product https://www.simonberens.com/p/lessons-learned-shipping-500-units HN discussion: https://news.ycombinator.com/item?id=46848876 5. Brazilian Micro-SaaS Map https://saas-map.ssr.trapiche.cloud/ HN discussion: https://news.ycombinator.com/item?id=46840558 6. Show HN: Craftplan – I built my wife a production management tool for her bakery https://github.com/puemos/craftplan HN discussion: https://news.ycombinator.com/item?id=46847690 7. The Mathematics of Tuning Systems https://math.ucr.edu/home/baez/tuning_talk/ HN discussion: https://news.ycombinator.com/item?id=46834810 8. New York’s budget bill would require “blocking technology” on all 3D printers https://blog.adafruit.com/2026/02/03/new-york-wants-to-ctrlaltdelete-your-3d-printer/ HN discussion: https://news.ycombinator.com/item?id=46872540 9. Deno Sandbox https://deno.com/blog/introducing-deno-sandbox HN discussion: https://news.ycombinator.com/item?id=46874097 10. Agent Skills https://agentskills.io/home HN discussion: https://news.ycombinator.com/item?id=46871173