Recent post
Initial Site Build: Architecture Notes and Revision Log
Objective record of physchen.com static-site architecture: content collections, bilingual routing, page layout, image pipeline, search/RSS, and engineering revisions.
May 4, 2026
Physics x Education x Software x Photography
PhysChen Lab
I hold a PhD in physics, specializing in gravity and cosmology, an IB/A-level Physics teacher, and an independent software developer.
13 Published articles
146 Published photos
2026 Building the PhysChen Content Matrix
Blog
Short logs and ongoing updates
A running log for updates, project notes, short reflections, and ideas that have not yet grown into full essays.
Physics
Physics notes and first-principles thinking
A place to record my own learning and reflections on gravity, cosmology, and theoretical physics.
Recent post
Why is "Jerk" Rarely Seen in Core Physics Equations?
Exploring the physical mechanisms and mathematical logic behind the absence of higher-order spacetime derivatives in fundamental equations of motion, analyzed through the second-order closure of ordinary differential equations, the symplectic geometry of phase space, and the local instantaneous response in field theory.
Jun 22, 2026
Recent post
Motion in Physics: From Classical Trajectories to Quantum Emergence
Definitions of mechanical motion and applicable frameworks: classical mechanics, thermodynamics, field theory, relativity, and quantum field theory.
May 19, 2026
Recent post
Four Stages of Time in Physics: From Parameter to Emergence
How the role of time changes across classical mechanics, relativity, thermodynamics and cosmology, and quantum gravity.
May 17, 2026
Teaching
Physics teaching and learning design
Focused on IB/A-level Physics: explanations, exam habits, and learning frameworks drawn from real online teaching practice.
Recent post
IB Physics (2025 syllabus): Course Structure and Two-Year Planning
Based on the IB Physics syllabus first assessed in 2025: five themes, assessment components, experimental programme, and a typical DP1–DP2 schedule.
Apr 23, 2026
Recent post
The IB Diploma Programme
The IB Diploma Programme is a two-year curriculum with a maximum of 45 points, built from six subjects and three core requirements.
Jan 30, 2026
Programming
Programming, automation, and independent software
A record of the code, automation, and engineering decisions that come out of building systems for myself and shipping independent projects.
Recent post
Math Chords: Customizable LaTeX Math Shortcuts for Obsidian
Obsidian plugin: insert LaTeX math with customizable keyboard chord shortcuts, live preview, and display-math environments.
Jun 19, 2026
Recent post
Automate Astro Deployment to a Personal Server via GitHub Actions
Local Astro commands, build output, and deployment to a personal server via GitHub Actions and rsync.
Apr 18, 2026
Recent post
RustleFlow User Guide
Operation notes for RustleFlow on desktop and Android.
Feb 1, 2026
Photography
Photography, light, and visual observation
Painting with light, and using photographs to hold on to everyday feeling.
