Notes on robotics, sim-to-real, tools, and research by Jianheng Hu.https://jianhenghu.com/https://jianhenghu.com/notes/sim-to-real-transfer-gap/https://jianhenghu.com/notes/sim-to-real-transfer-gap/A short note on why sim-to-real is less about one perfect simulator and more about reliable transfer under mismatch.Sat, 16 May 2026 00:00:00 GMThttps://jianhenghu.com/notes/why-this-site-is-now-astro/https://jianhenghu.com/notes/why-this-site-is-now-astro/The site needed Markdown notes, RSS, dynamic GitHub data, and clean static deployment without becoming too heavy.Sat, 16 May 2026 00:00:00 GMT