https://xiangjichun.com/blog.html Physics notes, lab reflections, projects, and personal writing from Jichun Xiang. en Fri, 29 May 2026 00:00:00 GMT https://xiangjichun.com/post.html?slug=first-principles-notes https://xiangjichun.com/post.html?slug=first-principles-notes Fri, 29 May 2026 00:00:00 GMT A starter note for the kind of careful, readable physics writing this site can collect over time. https://xiangjichun.com/post.html?slug=oscillator-miniature https://xiangjichun.com/post.html?slug=oscillator-miniature Tue, 12 May 2026 00:00:00 GMT A small computational-physics sketch that can later become an interactive project page. https://xiangjichun.com/post.html?slug=lab-book-habits https://xiangjichun.com/post.html?slug=lab-book-habits Sat, 18 Apr 2026 00:00:00 GMT A short list of lab-writing habits that make experiments easier to understand after the fact.