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Learn, visualize, and simulate physics
Real-time interactive simulations, notes with drawing, and curated video lessons — built for students, teachers, and engineers.
Physics Modules
Notes, videos, and simulations for each major topic.
Mechanics
Projectile motion, collisions, SHM, rotation, and more.
Waves & Sound
Wave motion, interference, Doppler effect, standing waves.
Optics
Reflection, refraction, lenses, diffraction, polarization.
Electricity & Magnetism
Fields, circuits, induction, Lorentz force.
Modern Physics
Photoelectric effect, atomic models, radioactivity.
Thermodynamics
Gas laws, heat transfer, engines, entropy.
Scientifically Accurate
Simulations grounded in real equations. Notes cover core formulas and concepts.
Draw on Notes
Sketch free-body diagrams and graphs directly on topic pages. Stays in your browser.
Completely Free
MIT licensed. No accounts. No tracking. Self-hostable.