An Interactive Universe
From cosmic orbits to quantum leaps, don't just read about physics—play with it. Explore the fundamental laws of the cosmos in a hands-on, interactive sandbox.
← All subjects · New: Chemistry & Maths labs (early access)
64 hands-on simulations · quizzes & badges · free to explore
Explore the Branches of Physics
Classical Mechanics
Explore motion, forces, energy, and gravity that govern everything from a thrown ball to orbiting planets.
Thermodynamics & Fluids
Uncover the principles of heat, energy, and entropy. See how gases behave, how heat flows, and what drives engines.
Waves, Optics & SHM
Journey through the world of oscillations and light. From pendulums and sound waves to lenses, prisms, and interference.
Electromagnetism
Discover the invisible forces of electricity and magnetism. Explore circuits, visualize fields, and understand modern technology.
Modern & Quantum Physics
Dive into the weird world of the very small. Explore atomic models, the particle nature of light, and the immense power of the nucleus.
Applied Physics & Demos
See physics in action. Design roller coasters, build bridges, understand flight, and launch N-body orbital systems.