Physics • Visualized
Beautiful, interactive simulations for the classroom and beyond.
Explore core ideas through hands-on sliders, animations, and instant visual feedback. Built for students, teachers, and curious minds.
Visualize how wavelength, slit separation, and distance affect fringes.
Includes printable layouts and drag-and-drop planners.
Physics Topics
Explore simulations organized by topic.
Optics (光學)
Wave interference and light phenomena
Young's Double-Slit Experiment
Interference patterns • Wavelength • Fringe spacing
Diffraction Grating
Spectral lines • N-slit Interference • Intensity profile
3D Convex Lens Image Formation
Lens formula • Ray diagrams • Real vs Virtual
3D Concave Lens Image Formation
Virtual images • Diverging rays • Lens formula
3D Primary Colour Mixing
Additive mixing • RGB spotlights • Secondary colours
Mechanics (力學)
Motion, forces, and circular dynamics
Ball & String Simulator
Circular motion • Centripetal force • Tangential velocity
Vector Force Addition
Head-to-tail method • Resultant force • Components
Projectile Motion + Graphs
Trajectory • x-y decomposition • x-t & y-t graph
Momentum & Collision Lab
Elastic vs inelastic • p conservation • KE change
Inclined Plane: Newton's Laws
Friction • Normal reaction • Net force • Acceleration
Work, Energy & Power Analyzer
W = Fs • KE/PE conversion • Power and efficiency
Impulse & Force-Time Graph
J = FΔt • Area under F-t • Δp comparison
Wave Motion (波動)
Resonance, standing waves, and wave behavior
Electromagnetism (電磁學)
Magnetic fields, currents, and forces
Magnetic Field Visualizer
Field lines • Compass behaviour • Poles • Attraction & repulsion
Magnetic Effect of Current
Wire • Coil • Solenoid • B = μ₀I/2πr • Right-hand rule
Force Due to Magnetic Field
F = BIlsinθ • DC motor • F = BQvsinθ • Fleming's rule
3D Motor Effect Simulator
Lorentz force • Fleming's rule • Magnetic field visualization
3D Current Balance Simulation
Current measurement • Magnetic force • F = BIL formula
Lorentz Force Simulation
Magnetic force on conductor • Cross product • Inclined rails
CRO Wave Simulation
AC measurement • RMS vs Peak • Voltage visualization
DC Circuit & Internal Resistance
V = E - Ir • I = E/(R+r) • Load power and efficiency
Electrostatics Field Explorer
E-field vectors • Force on test charge • Superposition
Transformer & Power Transmission
Turns ratio • Step-up/down • Line loss and efficiency
Domestic Electricity Safety Board
Fuse • MCB • Earth wire • Safe wiring checks
Refraction, Critical Angle & TIR
Snell's law • Critical angle • Total internal reflection
Thermal Physics (熱學)
Heat, temperature, and states of matter
Atomic & Quantum Physics (原子與量子物理)
Atomic models, photons, and quantum phenomena
Rutherford's Scattering Experiment
Alpha particles • Gold foil • Nuclear model • Scattering
Photoelectric Effect
Photon energy • Work function • Einstein's equation • KE graph
Radioactive Source: Range & Penetration
Alpha/Beta/Gamma • Absorber thickness • Detector count rate
Radioactive Decay & Half-life
N = N₀(1/2)^(t/T₁/₂) • Activity curve • Random decay
Random Nature of Radioactive Decay
GM tube counts • Random fluctuations • Dice analogy
Classroom Tools (課堂工具)
Teaching aids and organizational tools
AI Studio (AI 工作室)
Generative AI tools powered by fal.ai
Fast to load
Pure HTML, CSS, and JS with CDN-based styling.
Mobile friendly
Responsive layouts for phones, tablets, and projectors.
Teacher ready
Great for demos, worksheets, and lab discussions.