3JCN Physics Simulation

The best 3-dimensional physics simulation

All simulations are freely available under a CC BY 4.0 license. Please credit 3JCN Physics Simulation when using or sharing.

Simulations on kinematics, forces, projectiles, springs, energy, and SHM.

Explore heat transfer, gas laws, PV diagrams, engines, and thermal physics.

Circuits, charges, fields, inductance, EM waves, and magnetic effects.

Lenses, mirrors, reflection, refraction, diffraction, and wave optics demos.

Relativity, quantum mechanics, photoelectric effect, nuclear reactions, and more.

Interactive labs to simulate experiments: mechanics, E&M, optics, thermo, and more.

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Google Analytics • Aug 1, 2024 → Dec 19, 2025