PhysicalMe
Physics learning made simple
Hassan Bagheri
What’s inside
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Halliday, Ch 1–6
Measurement, 1D and 2D kinematics, vectors, Newton’s laws — every section in Persian and English, with animated SVG demos.
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Gravitation deep dive
How Newton reached the inverse-square law, how Cavendish measured G, and how Earth’s mass fell out. Four university-level articles.
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Interactive labs
Simple pendulum, free fall, Hooke’s spring. Each with hidden systematic errors, Python analysis in-browser (Pyodide), and a reveal at the end.
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Tutorial articles
Standalone deep dives: the definite integral for physicists, how Galileo measured g in 1600 — practical background you’ll need across the site.
📱 Mobile app
Download the PhysicalMe mobile app