https://kangwenkui.com https://kangwenkui.com/writing/ https://kangwenkui.com/projects/ https://kangwenkui.com/about/ https://kangwenkui.com/writing/four-10gbe-ports-are-not-40gbps/ 2026-10-22 https://kangwenkui.com/writing/why-i-build-in-public/ https://kangwenkui.com/writing/local-ai-research-platform/ https://kangwenkui.com/writing/industrial-vision-lessons/