📅 July 2026
📄 1,016 simulations
🗂 80 categories
Printable Catalog: All Simulations by Category
Every simulation on the site, listed by category, on one page. Built to be printed (or exported to PDF) as a paper handout for classrooms, workshops, demo days, or your own offline reference — no clicking through the site required.
🔭 Space & Astronomy (44)
- Aurora Borealis — Charged Particles in Earth's Magnetosphere
- Binary Stars
- Black Hole Thermodynamics
- Cosmic Ray Air Shower — Particle Cascade
- Dynamo Effect — How Planets Make Magnetic Fields
- Exoplanet Transit Light Curve
- Gravitational Lensing
- Gravitational Waves — Binary Inspiral & LIGO Detection
- Hall Effect Thruster — Ion Propulsion
- Kármán Line — Where Does Space Begin?
- Kepler Planets
- Lagrange Points
- Lagrange Points — Stability & Halo Orbits
- Magnetic Reconnection — Solar Flares & Substorms
- Meteor Entry & Ablation
- Meteor Shower
- N-Body Gravitational Simulation — Orbits, Collisions & Slingshots
- N-Body Gravity
- Ocean Tides
- Orbital Mechanics
- Orbital Mechanics — Gravity Assist & Lagrange Points
- Orbital Resonance
- Planetary Formation
- Planetary Rings
- Pulsar
- Radio Telescope Array
- Relativistic Radio Jet
- Restricted Three-Body Problem — Roche Lobes
- Satellite Constellation
- Solar Flare & CME
- Solar System
- Solar System for Kids
- Solar Wind & Earth's Magnetosphere — Bow Shock, Magnetopause, Aurora
- Space Telescope — L2 Lagrange Point & Halo Orbit
- Spiral Galaxy
- Star Evolution
- Stellar Evolution — From Nebula to Supernova
- Stellar Interior Structure
- Supernova
- Tidal Forces
- Tidal Locking
- Van Allen Belts
- Warp Speed Starfield
- White Dwarf Cooling — Mestel Theory
⚡ Physics & Mechanics (75)
- 2D Collisions — Momentum and Energy
- 3D Spherical Pendulum
- Abelian Sandpile — Self-Organised Criticality
- Archimedes' Principle
- Atmospheric Optics
- Balloons
- Billiards Physics
- Brachistochrone — Curve of Fastest Descent
- Bragg Diffraction — X-ray Crystal Structure
- Bridge Designer
- Bubble World
- Car Physics
- Catenary
- Chain & Rope — Position-Based Dynamics Simulation
- Cloth Simulation
- Compton Scattering — Photons as Particles
- Crystal Structures — BCC, FCC, HCP, Diamond Lattices
- Dark Matter Direct Detection
- Debye Length — Plasma Shielding
- Debye Model — Heat Capacity of Solids
- Domino Chain
- Driven Resonance
- Drum Membrane Vibration — 2D Wave Equation & Chladni Patterns
- Dzhanibekov Effect
- Elastic Collisions — 2D Billiards & Maxwell-Boltzmann
- Electric Field Lines
- Faraday Waves — Parametric Surface Patterns
- Fermi-Pasta-Ulam Recurrence
- Fire & Smoke
- Fireworks
- Fracture Simulation
- Granular Flow — Hopper Discharge & Arch Formation
- Granular Gas — Inelastic Collapse
- Granular Jamming — Packing Phase Transition
- Granular Materials — Sand Pile & Angle of Repose
- Gyroscope Precession
- Ising Model
- Ising Model — Phase Transitions and Ferromagnetism
- Josephson Junction — AC & DC Josephson Effects
- Landau Levels — Electrons in a Magnetic Field
- Lorenz Attractor
- Magic Sand & Smoke
- Maglev Train
- Magnetic Field Lines
- Maxwell's Wheel — Yo-Yo Energy Conservation
- Mechanisms
- Molecular Dynamics
- Parachute Physics — Terminal Velocity & Drag
- Particle Diffusion
- Pendulum Wave
- Percolation — Clusters & Critical Threshold
- Phase Transition — Order Parameter & Critical Point
- Plasma Instability — Kelvin-Helmholtz
- Plasma Oscillations — Langmuir Waves
- Projectile Motion
- Projectile Motion — Range, Angle & Air Resistance
- Quantum Hall Effect — Quantised Conductance
- Rarefied Gas — DSMC Collisions
- Rope & Chain Physics
- Sand Automaton
- Soap Film — Minimal Surfaces & Plateau's Problem
- Solid Body Fracture — Voronoi Impact Simulation
- SPH Fluid
- Spin Glass — Frustration & Slow Relaxation
- Spintronics — Spin Transport & GMR Effect
- Spring Network — Random Elastic Lattice
- Spring-Mass Network
- Stochastic Resonance — Noise-Assisted Detection
- String Vibration — Standing Waves and Harmonics
- Topological Defects — Vortex Dynamics
- Topological Insulator — Bulk-Edge Correspondence
- Tsunami
- Viscoelastic Fluid
- Viscoelastic Wave Propagation
- Z-Pinch
🌿 Nature & Climate (14)
- Butterflies & Flowers
- Eutrophication
- Forest Fire Spread
- Interactive Ocean
- Mantle Convection
- Migrating Bird Flock
- Ocean Waves
- Procedural Terrain
- Rain & Puddles
- Rainbow & Optics
- Snow Crystal — DLA Growth
- Tectonic Plates
- Terrain Generator
- Tornado — Vortex Simulation
🧬 Biology & Life (16)
- Aquarium
- Bacterial Colony & Chemotaxis
- Cell Growth & Morphogenesis
- Fish School 3D
- Fox & Rabbits
- Game of Life
- Genetic Evolution — Natural Selection
- L-Systems — Procedural Plants
- Mycelium Network Growth
- Neural Network — Backpropagation
- Plant Phototropism & Gravitropism
- Population Wave — Spatial Spread of Species
- Prey–Predator (Lotka–Volterra)
- SIR Epidemic Model
- Spiking Neural Network
- Van der Pol Oscillator Synchronization
🌀 Chaos & Dynamics (23)
- Anosov Map — Arnold Cat Map & Hyperbolic Chaos
- Bifurcation Diagram
- Chaotic Waves — Nonlinear Oscillator Chains
- Chua's Circuit
- Double Pendulum
- Double Pendulum — Chaos and Sensitivity to Initial Conditions
- Double Pendulum Ensemble
- Duffing Oscillator
- Elastic Pendulum
- Logistic Map
- Lorenz Attractor
- Lorenz Attractor — 3D Butterfly Effect
- Lorenz Attractor — 3D Chaos
- Lorenz Waterwheel
- Magnetic Pendulum
- Nonlinear Oscillations — Duffing Oscillator
- Population Chaos — Logistic Map & Bifurcation Diagram
- Rössler Attractor
- Sand Pile Criticality
- Strange Attractors
- Thomas Attractor
- Triple Pendulum
- Van der Pol Oscillator
🤖 Algorithms & AI (46)
- 0/1 Knapsack
- 3D Boids — Flocking
- A* Pathfinding
- Ant Colony
- B-Tree — Multi-Way Search Tree
- Barnes–Hut N-body
- Binary Search Tree — Insert, Search & Balance
- Boolean Network — Kauffman NK Model
- Compiler Pipeline
- Convex Hull
- CRC Checksum
- Data Structures
- DCT Image Compression (JPEG Principle)
- Differential Evolution Optimizer
- Edit Distance — Levenshtein DP Table
- Genetic Algorithm
- Gray Code — Reflected Binary & Hypercube Path
- Hamming Codes
- Huffman Coding
- Kalman Filter
- KMP String Matching — Failure Function
- Langton's Ant
- Langton's Ant — Cellular Automaton that Builds Highways
- Longest Common Subsequence — DP Alignment
- LZ77 Compression
- Marching Squares
- Maze Generator
- Maze Generator — Recursive Backtracker, Prim, Wilson's Algorithm
- Minimax & Alpha-Beta
- N-Queens Problem
- Particle Swarm Optimization — Swarm Intelligence
- Pathfinding — A*, Dijkstra, BFS
- Polar Codes — Channel Capacity
- Quadtree
- Red-Black Tree — Self-Balancing BST
- Reed-Muller Codes
- Simulated Annealing — Escaping Local Minima
- Skip List — Probabilistic Balanced Search
- Sorting Algorithms — Visual & Audio
- Sorting Algorithms Visualizer — Bubble, Quick, Merge, Heap
- Stable Matching
- Tower of Hanoi — Recursive Solver & 2ⁿ−1 Moves
- Travelling Salesman — TSP
- Turing Machine
- Union-Find — Disjoint Sets & Path Compression
- Wolfram 1D Cellular Automata — Elementary Rules & Complex Behaviour
📐 Mathematics (60)
- 1D Cellular Automata — Wolfram
- 3D Cellular Automaton — Survival/Birth Rules
- 3D Lissajous Curves — Harmonic Knots
- Barnsley Fern
- Bézier Curves
- Brouwer Fixed Point Theorem
- Collatz Conjecture
- Complex Functions
- Continued Fractions — Best Rational Approximations
- Derivative Visualizer
- DFT & STFT Visualiser
- Diffusion-Limited Aggregation
- Eigenvalues — Linear Transformations & Principal Axes
- Eigenvalues & Eigenvectors
- Eigenvalues & Eigenvectors — Linear Transformation Visualiser
- Eigenvectors & Eigenvalues — Interactive Linear Algebra Visualizer
- Fourier Epicycles
- Fourier Series
- Fourier Series — Interactive Phasor & Harmonic Decomposition Simulator
- Fractal Explorer
- Geodesic Domes
- Harmonograph
- Hyperbolic Geometry Tiling
- Hypocycloids & Epicycloids — Rolling Circle Curves
- Kaleidoscope
- Klein Bottle — Topology of Non-Orientable Surfaces
- Knot Theory — Invariants, Crossings & Reidemeister Moves
- Mandelbulb 3D Fractal
- Matrix Transformations — 2D Linear Algebra Visualizer
- Möbius Strip — Topology One-Sided Surface
- Newton's Fractal
- Newton's Method Fractal — Basins of Attraction
- Number Spirals
- Origami Fold Mathematics
- p-adic Number Ultrametric Space
- Penrose Tiling — Quasi-Periodic Patterns
- Phase Portrait
- Prime Distribution & Gaps
- Pythagoras Tree
- Riemann Integral
- Riemann Integral
- Riemann Zeta Function — Critical Strip & Zeros
- Rose Curves — Rhodonea r = a·cos(kθ)
- Sand Pile Model
- Sierpiński Triangle
- Sieve of Eratosthenes — Animated Prime Number Finder
- Soap Bubble — Minimal Surface Simulation
- Space-Filling Curves
- Spherical Projections
- Spirograph
- Spirograph — Hypotrochoids & Epitrochoids
- SVD Compression
- SVD Visualizer
- Taylor Series — Polynomial Approximation
- Torus & Genus — Topology Euler Characteristic Interactive
- Torus & Surface Genus — Topology of Orientable Surfaces
- Turing Patterns
- Ulam Spiral
- Voronoi Diagram
- Weierstrass Nowhere-Differentiable Function
🔷 Geometry (18)
- Bézier, B-Spline & NURBS
- Delaunay & Voronoi
- Geodesic Dome
- Gyroid & Minimal Surfaces
- Menger Sponge
- Minimal Surfaces — Catenoid, Helicoid, Soap Film
- Origami Folding
- Parametric Surfaces
- Polyhedra Explorer
- Quaternion Rotation
- Sierpiński Tetrahedron — 3D Fractal
- Sphere & Circle Packing
- Sphere Projections — Mercator, Stereographic & More
- Superellipse — Lamé Curves & the Squircle
- Tessellations
- Tesseract — 4D Hypercube Rotation Visualiser
- Topology Surfaces
- Torus Knot
⚗️ Chemistry & Materials (34)
- 3D Reaction-Diffusion Patterns
- Acid-Base Equilibrium
- Adsorption Isotherm
- Belousov-Zhabotinsky Reaction
- Chemical Equilibrium — Free Energy, Reaction Quotient & Le Chatelier
- Chemical Equilibrium — Le Chatelier & Reaction Quotient
- Chemical Reaction Kinetics — Arrhenius & Consecutive Reactions
- Colloidal Stability — DLVO Theory
- Colloids
- Combustion Reaction
- Crystal Dissolution
- Crystal Growth
- Crystal Growth — Dendritic Solidification
- Electrochemical Corrosion (Tafel)
- Electrode Kinetics
- Electrolysis
- Galvanic Cell
- Grain Growth
- Le Chatelier Principle
- Li-ion Battery Simulator
- Microcracks (Paris Law)
- Molecular Spectroscopy
- Nernst Equation
- Nernst Equation — Galvanic Cell Potential Interactive Simulation
- pH & Buffer Solutions
- Phase Diagram — Solid, Liquid & Gas with Triple Point
- Potential Energy Surface
- Premixed Flame Front — Propagation
- Reaction Front — Traveling Chemical Wave
- Reaction-Diffusion
- Sol-Gel Phase Transition
- Surface Wetting
- Turing Diffusion
- Van der Waals Gas — Real Gas Isotherms
🎵 Sound & Music (18)
- Acoustic Guitar Physics
- Acoustic Impedance
- Acoustic Lens
- Auditory Scene Analysis
- Beat Frequency
- Chladni Figures
- Coupled Oscillators — Normal Modes and Beating
- Echolocation
- Fourier Series
- Musical Scales
- Shepard Tone — The Infinite Glissando Illusion
- Sound Wave Propagation
- Spectral Music — Overtones & Timbre Synthesis
- Standing Waves in Pipes
- String Physics — Vibrating String & Harmonics
- Voice Synthesis
- Wave Equation
- Wave Interference
💠 Quantum Computing (6)
- Grover's Search Algorithm
- Quantum Entanglement
- Quantum Error Correction
- Quantum Tunneling
- Qubit & Bloch Sphere
- Shor's Algorithm
🔒 Cryptography (7)
- Blockchain Consensus
- Caesar & Vigenère Ciphers
- Diffie-Hellman Key Exchange
- Elliptic Curve Cryptography
- Hash Functions — Avalanche & Collisions
- Merkle Tree — Hash Trees & Proofs
- RSA Key Exchange
👁️ Perception & Optical Illusions (6)
- Color Constancy & Chromatic Adaptation
- Colour Contrast Illusions
- Gestalt Grouping Principles
- Motion Aftereffect
- Optical Illusions — Visual Perception Gallery
- Retinal Photoreceptor Adaptation
☢️ Nuclear Physics (4)
- Nuclear Binding Energy Curve
- Nuclear Fission Chain Reaction
- Nuclear Fusion — Tokamak & Lawson Criterion
- Radioactive Decay Simulator
🧬 Molecular Biology (13)
- Biofilm Formation
- Cell Membrane Diffusion
- Cell Signalling — Receptor Cascade & Signal Amplification
- Cell Signalling Cascade
- Cell Wall Turgor Mechanics
- CRISPR-Cas9 Genome Editing
- DNA Double Helix
- DNA Replication
- Enzyme Kinetics — Michaelis-Menten & Inhibition
- Mitosis & Meiosis — Animated Cell Division
- Mitosis 3D
- Osmosis & Turgor Pressure — Cell in Solution
- Protein Folding
🚀 Aerospace Engineering & Orbital Mechanics (13)
- Asteroid Deflection
- Atmospheric Re-entry
- Flight Simulator — Lift, Drag, Thrust & Pitch
- Ion Thruster — Electric Propulsion & Mission ΔV
- Moon Landing
- NACA Airfoil
- Orbital Maneuvers
- Rocket Engine — de Laval Nozzle & Thrust
- Rocket Launch (Tsiolkovsky)
- Solar Sail
- Supersonic Flow
- Two-Stage Rocket — Tsiolkovsky Equation & Stage Separation
- Wind Tunnel
🤖 AI & Machine Learning (5)
- Convolutional Neural Network
- Gradient Descent Visualiser
- K-Means Clustering — Machine Learning Visualiser
- Neural Gas
- Neural Network Training
🦁 Animals & Their World (7)
- Beehive
- Bird Flock
- Dinosaurs
- Firefly Swarm
- Fox & Rabbits
- Magnetic Navigation
- Penguins
🏗️ Build & Play (5)
- Earthquake
- Lever
- Newton's Cradle
- Roller Coaster
- Slide
🌍 Climate, Ecology & Environment (7)
- Arctic Ice Simulation
- Climate Tipping Points — Cascade & Hysteresis
- Earth Energy Balance
- El Niño – Southern Oscillation
- Ocean Acidification
- Simple Climate Model
- Urban Heat Island
🌈 Colours & Light (4)
- Colour Mixing
- Colour Vision & Colour Blindness Simulator
- Light & Shadows
- Mirror Maze
💰 Economics & Social Systems (10)
- Auction Dynamics
- Cognitive Bias in Financial Markets
- Inflation Simulator — MV=PQ
- IS-LM Model — Keynesian Macroeconomics
- Labor Market Job Search (McCall)
- Market Dynamics — Supply, Demand & Equilibrium
- Market Microstructure — Order Book Simulation
- Nash Equilibrium — The Maths of Strategy
- Solow Growth Model
- Supply & Demand — Market Equilibrium
⚡ Electromagnetism (32)
- Antenna Radiation — Dipole Field Patterns
- Debye Screening
- Debye Shielding — Plasma Screening
- Eddy Currents
- Electromagnetic Induction — Faraday's Law & Lenz's Law
- Electromagnetic Shielding & Faraday Cage
- Electromagnetic Wave
- EM Wave Simulator (FDTD)
- Faraday's Law
- Faraday's Law of Induction
- Feynman Diagrams — QED
- Hall Effect
- Hysteresis Loop
- Kelvin-Helmholtz Instability
- Lichtenberg Figures
- Lightning Bolt Generator
- Lorentz Force — Charged Particle in EM Fields
- Magnetic Domains
- Magnetic Levitation
- Maxwell Waves
- Photoelectric Effect
- Plasma — Ionized Gas
- Plasma Globe
- Plasma Wave
- Radio Wave Propagation
- RLC Circuit Resonance
- RLC Resonance — Driven Electrical Oscillator
- Skin Effect
- Spin Precession
- Static Electricity — Triboelectric Charging
- Tokamak — Magnetic Confinement Fusion
- Transformer
⚡ Electronics & Circuits (14)
- 8-Bit Adder
- ADC / DAC Sampling
- Buck Converter — PWM Switching
- Flip-Flop — One Bit of Digital Memory
- Kirchhoff Laws — Circuit Analysis Simulator
- LC Oscillator — Energy Sloshing Between L and C
- Logic Gates
- MOSFET I-V Characteristics
- Operational Amplifier — The Op-Amp Building Block
- Power Factor Correction (PFC)
- RC Filters
- Resistor Circuit — Ohm's Law & Series/Parallel
- Transistor Amplifier — Small Signals Made Large
- Transistor BJT / MOSFET
🔋 Energy & Thermodynamics (15)
- Battery Electrochemistry
- Fusion Reactor
- Heat Pipe
- Hydrogen Fuel Cell
- Nuclear Reactor — Criticality & Control
- Power Grid
- Power Grid Flow
- Smart Grid Frequency Control
- Solar Cell — Photovoltaic Effect & IV Curve
- Solar Cell I–V Curve
- Solar Panel Simulator
- Tidal Turbine
- Wave Energy Converter
- Wind Farm
- Wind Turbine Simulator
🔧 Engineering & Materials (12)
- Bridge Structural Analysis
- Centrifuge
- Desalination
- Differential Gear
- Euler Buckling
- Gear Train
- Heat Exchanger
- LEFM Fracture Mechanics
- Linear Voltage Regulator
- PID Controller
- Steam Engine
- Thermal Expansion
🔭 Everyday Physics (5)
- Doppler Effect
- Gyroscope & Precession
- Rayleigh Scattering — Why the Sky is Blue
- Water Ripples
- Why Ice Floats — Water Density Anomaly
💹 Financial Models & Markets (7)
- Bank Run — Fractional Reserve & Contagion
- Bitcoin Mining — Proof-of-Work
- Financial Bubble — Boom, Mania & Crash Simulation
- Financial Contagion Network
- Option Pricing
- Options Pricing — Black-Scholes
- Stock Price — GBM
🌊 Fluid Dynamics & Aerodynamics (29)
- Aerofoil & Lift — NACA Wing Aerodynamics
- Bernoulli Principle
- Bernoulli's Principle — Airfoil Lift & Flow
- Blasius Boundary Layer
- Capillary Action
- Drag Coefficient
- Fluid Instability
- Fluid Lattice-Boltzmann
- Fluid Pressure — Pascal's Law & Hydrostatics
- Fluid Vorticity & Kelvin–Helmholtz Instability
- Foam Drainage — Plateau Borders & Laplace Pressure
- Kármán Vortex Street
- Kelvin Ship Wake — Wave Interference
- Laminar to Turbulent Transition
- Lattice-Boltzmann Flow
- Ocean Current
- Pipe Flow Profiles
- Rayleigh-Bénard Convection — Thermal Cells
- Rayleigh-Taylor Instability — Heavy Over Light
- Real-Time Fluid Simulation — Navier–Stokes Solver
- Ripple Tank
- Rising Bubble in Viscous Fluid
- Saffman-Taylor — Viscous Fingering
- Shallow Water Equations
- SPH Dam Break
- Stokes Flow
- Taylor-Couette Flow — Rotating Cylinder Vortices
- Taylor-Green Vortex Decay
- Vortex Ring Dynamics
🎮 Game Development (5)
- Field of View — NPC Sight
- Particle System — Game VFX Emitter
- Procedural Dungeon Generator
- Ragdoll Physics
- Wave Function Collapse
🎲 Board Games & Game Mathematics (5)
- 🃏 Blackjack Strategy Simulator
- 🎰 Monty Hall Paradox
- Dice & Probability
- Poker Hand Odds — Texas Holdem
- Public Goods Game & Cooperation
🎨 Generative Art & Algorithmic Patterns (30)
- 3D Curl Noise Flow Field
- Apollonian Gasket — Descartes' Circle Theorem Fractal
- Apollonius Gasket — Fractal Circle Packing
- Computational Photo Art
- Cyclic Cellular Automata
- Diffusion-Limited Aggregation
- Domain Warping — Folding Noise into Flow
- Flow Fields
- Fractal Landscape
- Generative City
- IFS Fractals — Iterated Function Systems
- Islamic Geometric Patterns
- Julia Set Fractal Explorer — Interactive Complex Dynamics
- K-Fold Rotational Symmetry
- L-System Fractals
- Lloyd's Relaxation
- Mandelbrot Set Explorer
- Morphing Sphere
- Neon Tunnel
- Perlin Noise — Procedural Terrain & Texture Generator
- Phyllotaxis — Sunflower Spirals & the Golden Angle
- Poisson-Disk Sampling
- Random Growth — Eden Model & DLA Fractal
- Rule 30 — Elementary Cellular Automata Explorer
- Stippling & Pointillism
- Superformula 3D
- Truchet Tiles
- Turtle Graphics & L-Systems — Interactive Fractal Art Simulator
- Voronoi Growth
- Worley Noise — Cellular Texture
🧬 Genetics & Evolution (10)
- Coevolution
- DNA Transcription — RNA Polymerase Animation
- Epigenetics
- Evolutionary Game Theory
- Gene Regulatory Network
- Genetic Drift
- Mendelian Genetics
- Natural Selection
- Population Genetics
- Predator-Prey Evolution
🪨 Geology & Earth Science (19)
- Coastal Erosion
- Earthquake Fault
- Glacier Dynamics
- Groundwater Flow
- Landslide Dynamics
- Permafrost Thaw
- Plate Tectonics
- River Delta Formation
- River Meanders
- Rock Cycle
- Sand Dune
- Sand Dune Formation
- Sandstone Formation
- Seismic Wave Propagation — P-waves, S-waves & Shadow Zone
- Seismic Waves
- Snow Avalanche
- Volcanic Eruption Simulator
- Volcano Eruption
- Wind Erosion
🎠 Magic Around Us (10)
- ❄️ Snowflakes
- 🌊 Waves in a Bathtub
- 🐊 Crocodile Jump — Projectile Physics for Kids
- 🐘 Elephant Herd — Follow the Leader to Water for Kids
- 🐸 Pond Frogs — Frogs, Lily Pads & Water Ripples for Kids
- 🦅 Eagle Hunt — Speed, Dive & Predator Physics for Kids
- 🦜 Parrot Echo — Sound Waves for Kids
- 🧲 Magnet & Paperclips
- Bath Waves
- Catch the Bubble
🍳 Kitchen Science (5)
- Coffee Cooling
- Fermentation Simulator
- Kitchen Chemistry
- Leidenfrost Effect — Droplets on a Hot Pan
- Sourdough Fermentation — Yeast & CO₂ Bubble Growth
🧠 Machine Learning & Neural Networks (16)
- Backpropagation
- DBSCAN — Density-Based Clustering
- Decision Tree Live
- Gradient Descent — 3D Loss Surface & Optimisers
- K-Means Clustering — Interactive Machine Learning
- K-Means Clustering — Lloyd's Algorithm
- k-Nearest Neighbours
- Naive Bayes Classifier — Probabilistic Decision
- PCA & SVD Visualiser — Principal Component Analysis Interactive
- Perceptron
- Radial Basis Function Network
- Random Forest Classifier
- Reinforcement Learning
- Self-Organising Map
- Self-Organising Map (SOM)
- t-SNE Visualiser
🎨 Drawing with Maths (4)
- Chaos Game
- Fibonacci Spiral
- Fractal Tree
- Lissajous
🫀 Medicine & Biophysics (14)
- Antibiotic Resistance
- Blood Flow & Vessel Mechanics
- Cardiac Action Potential
- Complement Cascade
- Drug Diffusion & Pharmacokinetics
- ECG & the Heartbeat — Electrical Waves of the Heart
- Epidemic Model — SIR & Vaccination Thresholds
- Epidemic on a Network
- Heart Rhythm — Cardiac Action Potential
- Herd Immunity
- Immune Response
- Pharmacokinetics — Drug Concentration & Half-life
- SEIR Epidemic Model — Exposed & Intervention Dynamics
- Wound Healing — Cell Migration
🏥 Medical Technology & Imaging Physics (7)
- Cardiac Pacemaker
- Cochlea & Hearing
- ECG Simulator — 12-Lead Electrocardiogram
- Haemodialysis
- Lung Mechanics — Pulmonary Physiology
- MRI / NMR Physics — Bloch Equations
- Ultrasound Imaging
🌐 Networks & Graph Theory (19)
- Bipartite Matching — Augmenting Paths
- Community Detection (Louvain)
- Critical Path (CPM/PERT)
- DNS Resolution — Recursive Lookup & Caching
- Floyd-Warshall — All-Pairs Shortest Paths
- Force-Directed Graph
- Internet Routing
- Max-Flow / Min-Cut
- Minimum Spanning Tree
- Network Percolation — Giant Component Threshold
- Network Resilience
- Network Science
- PageRank
- Random Graph — Giant Component & Phase Transition
- Scale-Free Network — Barabási-Albert Preferential Attachment
- Small-World Networks — Watts-Strogatz
- TCP Congestion Control
- Topological Sort — Ordering a DAG
- Viral Spread on Contact Network
🧠 Neuroscience & Biophysics (13)
- Brainwave Oscillations — EEG Simulator
- Central Pattern Generator — Rhythms of Walking
- Hodgkin-Huxley Neuron
- Kuramoto Synchronization
- Long-Term Potentiation & LTD
- Motor Cortex Topographic Map
- Neural Oscillations
- Neural Oscillators
- Neural Spike Train — Hodgkin-Huxley
- Neurovascular Coupling & BOLD Signal
- Spiking Neural Network
- Synapse — Neurotransmitter & EPSP/IPSP
- Synaptic Plasticity — How Neurons Learn (STDP)
🔮 Optics & Light (26)
- Airy Disk — Diffraction-Limited Imaging
- Atmospheric Optics — Rainbows & Halos
- Birefringence — Double Refraction in Crystals
- Crystal Optics & Birefringence
- Diffraction & Interference
- Diffraction Grating
- Fabry-Pérot Interferometer
- Holography
- Holography
- Holography Concept
- Huygens' Principle
- Huygens' Principle
- Ice Halos & Sun Dogs
- Laser Labyrinth — Reflection & Refraction
- Light Polarization
- Mirrors & Lenses
- Moiré Patterns
- Optical Tweezers
- Optical Vortex Beams
- Photonic Crystal
- Polarisation of Light — Malus's Law & Polarisers
- Polarization of Light
- Snell's Law — Refraction & TIR
- Thin-Film Interference — Soap Bubbles & Oil Slicks
- Total Internal Reflection
- Water Caustics
🎲 Probability & Statistics (17)
- Buffon's Needle — Monte Carlo π Estimation
- Central Limit Theorem
- Coupon Collector's Problem — Expected Draws to Collect All
- Dynamic Time Warping — Aligning Time Series
- Gambler's Ruin
- Hidden Markov Model — States & Observations
- Law of Large Numbers
- Lévy Flight
- Markov Chain — Transition Matrix Simulator
- Markov Chains
- Monte Carlo Importance Sampling
- Monte Carlo π
- Percolation Theory — Site & Bond Percolation, Phase Transition
- Reservoir Sampling — Fair Samples from a Stream
- Secretary Problem — Optimal Stopping & the 37% Rule
- Stochastic Processes
- Stochastic Processes
⚛️ Quantum Physics (26)
- 2D Spin Lattice — Heisenberg Ferromagnet
- Aharonov-Bohm Effect — Phase Without a Field
- BB84 Quantum Key Distribution
- Bell's Inequality
- Bloch Sphere — Visualising a Qubit
- Bose-Einstein Condensate — Emergence of Coherence
- Casimir Effect — Force From the Vacuum
- Double-Slit Experiment
- Grover's Algorithm
- Heisenberg Uncertainty Principle
- Hydrogen Orbital
- Quantum Billiard — Particle in a Box & Quantum Chaos
- Quantum Circuit Simulator
- Quantum Dot Emission — Size-Dependent Fluorescence
- Quantum Harmonic Oscillator
- Quantum Harmonic Oscillator
- Quantum Harmonic Oscillator — Wavefunctions & Energy Levels
- Quantum Spin Chain
- Quantum Tunnelling
- Quantum Tunnelling
- Quantum Walk — Superposition vs Classical Diffusion
- Quantum Wave Packet — Gaussian Wavepacket & Heisenberg Uncertainty
- Rabi Oscillations — Driven Two-Level Atom
- Schrödinger Equation
- Stern-Gerlach Experiment — Spin Quantisation
- Wave Packet Interference
⏱️ Special Relativity (11)
- Gravitational Wave Chirp — LIGO Inspiral Waveform Interactive
- Lorentz Contraction — Length Contraction in Special Relativity
- Lorentz Transform — Minkowski Diagram
- Mass–Energy Equivalence E=mc²
- Minkowski Spacetime Diagram
- Relative Simultaneity — Einstein's Train & Lightning Thought Experiment
- Relativity of Simultaneity — Train & Lightning Thought Experiment
- Schwarzschild Geodesics — Black Hole Orbits & General Relativity
- Special Relativity — Time Dilation & Length Contraction
- Twin Paradox — Special Relativity Time Dilation
- Wormhole — Morris–Thorne
🔮 Rendering & Computer Graphics (4)
- GPGPU Particle System
- Path Tracing
- Procedural Textures
- Ray Marching & SDF
🦾 Robotics & Kinematics (5)
- Drone Swarm
- Hexapod Walker
- Inverse Kinematics (FABRIK)
- LiDAR Scanning
- Robot Arm Kinematics — Forward & Inverse IK
🔊 Room Acoustics & Architectural Sound (6)
- 🏛️ Concert Hall Ray Tracer
- Acoustic Diffuser
- Acoustic Room Modes
- Room Acoustic Modes — Standing Waves Visualiser
- Room Acoustics
- Room Acoustics — RT60, Modes & Flutter Echo
📡 Signals & Telecommunications (16)
- 2D Image FFT
- AM / FM Modulation
- Antenna Radiation Patterns
- Convolution — How Filters Reshape Signals
- Digital Filter (FIR/IIR) — Bode Plot & Frequency Response
- Doppler Weather Radar
- FFT Spectrum Analyzer
- GPS Trilateration
- Noise Cancellation
- Nyquist Sampling — When Digital Captures Analogue
- OFDM & WiFi Subcarriers — Multicarrier Modulation
- Optical Fiber & Total Internal Reflection
- Phase-Locked Loop — Locking onto a Signal
- Phase-Locked Loop (PLL) — Clock Recovery & Carrier Sync
- Spectral Analysis
- Wavelet Transform — Haar & Daubechies
🌐 Society & Economics (20)
- Axelrod's Tournament
- Disease Spread (SEIR)
- Epidemic Dynamics
- Evacuation Simulation
- Financial Market
- Game Theory
- Income Inequality Simulator
- Innovation Diffusion — Bass Model
- Labor Market Dynamics
- LWR Traffic Flow — Kinematic Waves & Shockwaves
- Opinion Dynamics
- Pedestrian Crowds
- Population Pyramid
- Prisoner's Dilemma — Cooperation & Evolution of Trust
- Queueing Theory
- Schelling Segregation
- Social Influence Cascade
- Traffic Jams (NaSch)
- Traffic Simulation
- Voter Model & Schelling Segregation
🚀 Space Explorers (4)
- ☄️ Defend Earth
- 🌙 Moon Phases
- 🕳️ Fun Black Hole
- Planet Size Explorer — Solar System Scale
🏃 Sports Physics & Biomechanics (5)
- Ballistics & Projectile Motion
- Cycling Aerodynamics — Drag, Drafting and Power
- Football Kick Physics — Trajectory and Spin
- Magnus Effect — Ball Spin
- Swimming Hydrodynamics
🌡️ Thermodynamics (20)
- Bénard Convection
- Blackbody Radiation — Planck's Law & Wien's Peak
- Brownian Ratchet — Can Randomness Do Work?
- Carnot Cycle
- Carnot Heat Engine — Efficiency & PV Diagram
- Entropy of Mixing — Ideal Gas Thermodynamics
- Fourier Heat Equation — Diffusion & Boundary Conditions
- Gibbs Ensemble — Entropy & Microcanonical Statistics
- Heat Conduction
- Heat Equation — 2D Temperature Distribution
- Ising Model — Phase Transition
- Lennard-Jones Molecular Dynamics
- Maxwell-Boltzmann Distribution — Kinetic Theory
- Maxwell's Demon — Information & the Second Law
- Otto Cycle — How a Petrol Engine Works
- Steam & Condensation — Phase Transition
- Stirling Engine
- Temperature Distribution — Steady State & Transient Heat Transfer
- Urban Heat Island
- Van der Waals Gas
🎯 Toys & Play (5)
- Bouncing Ball
- Lava Lamp
- Paper Airplane
- Snow Globe
- Yo-Yo Physics — Rotational Mechanics
🚗 Transport & Urbanism (5)
- Bus Bunching
- City Growth CA
- NaSch Traffic Model
- Pedestrian Flow
- Traffic Intersection Simulation
🌊 Deep Ocean & Underwater World (7)
- Aphotic Zone Light — Beer-Lambert Absorption
- Hydrothermal Vents — Black Smoker Simulation
- Polar Ice Dynamics
- Sonar & Echolocation
- Thermocline & Ocean Stratification
- Thermohaline Circulation — Ocean Conveyor Belt
- Whale Migration — Agent-Based Navigation
⛈️ Meteorology & Weather Patterns (5)
- Atmospheric Fronts
- Cloud Formation
- Cyclone & Coriolis Effect
- Jet Stream
- Snow Crystal Growth Simulation
🌱 Agronomy & Soil Physics (7)
- Crop Growth Model — FAO Radiation-Driven Simulation
- Crop Rotation
- Irrigation & Soil Water Balance
- Photosynthesis Light Response
- Plant Growth Simulator — GDD Crop Development Model
- Soil Erosion Simulator
- Soil Profile
🌙 Chronobiology & Circadian Rhythms (5)
- Circadian Rhythm — 24-Hour Body Clock Simulator
- Jet Lag — Circadian Disruption and Recovery
- Molecular Clock — PER/CRY/BMAL1 Oscillator
- Seasonal Rhythms — Photoperiod, Melatonin & SAD
- Two-Process Sleep Model — Circadian & Homeostatic Regulation
🌉 Civil Engineering & Structural Mechanics (5)
- Beam Deflection — Euler-Bernoulli Structural Simulator
- Bridge Design
- Bridge Truss Analyser — Structural Forces & Deformation
- Concrete Mix Design
- Retaining Wall Stability
🌈 Colour Science & Perceptual Design (1)
- Colour Harmony
🕸️ Combinatorics & Graph Theory (5)
- Catalan Numbers
- Combinatorics & Counting
- Graph Coloring
- Inclusion-Exclusion Principle — Venn Diagrams & Counting
- Pascal
📸 Computational Photography (2)
- HDR Tonemapping Operators
- Image Filters
💻 Distributed & Parallel Computing (7)
- Bloom Filter — Probabilistic Set Membership
- Consistent Hashing — The Hash Ring
- CPU Scheduling — FCFS, SJF, Round Robin
- Dining Philosophers — Deadlock & Concurrency
- Distributed Consensus
- Load Balancer — Request Distribution Policies
- Page Replacement — LRU, FIFO & Optimal
🌱 Ecology & Conservation Biology (10)
- Carbon Cycle
- Coral Bleaching
- Food Web Simulator
- Forest Succession
- Lotka-Volterra — Predator-Prey Population Dynamics
- Ocean Trophic Web Dynamics
- Population Dynamics — Logistic Growth & Predator-Prey
- Reef Bleaching
- Trophic Cascade — Food Web & Population Dynamics Simulator
- Wolf-Sheep Predation
🎓 Education & Learning Tools (3)
- Learning Curves
- Spaced Repetition & Memory Decay
- Study Pomodoro
🌐 GIS & Geoinformatics (2)
- GPS Map Projection
- Spatial Interpolation & Kriging
🏙️ IoT & Smart City (2)
- IoT Sensor Network
- LoRaWAN IoT Network Coverage
🚢 Maritime & Naval Engineering (4)
- Ocean Currents
- Ship Buoyancy
- Ship Navigation
- Wave Dynamics
🔬 Nanotechnology & MEMS (5)
- Brownian Motion — Nanoparticle Diffusion Simulator
- Carbon Nanotube & Fullerene — sp² Nanostructures
- Fullerene & Carbon Allotropes — C60, sp2 Bonds & Chirality
- Molecular Self-Assembly — Micelles and Bilayers
- Quantum Dots — Size-Tunable Fluorescence
🦴 Palaeontology & Evolutionary Geology (5)
- Dendrochronology
- Fossil Formation
- Ice Core Record
- Isotope Dating
- Pollen Analysis (Palynology)
🪐 Planetary Sciences & Astrogeology (2)
- Exoplanet Atmospheres
- Planet Atmospheres
🏋️ Rehabilitation & Sports Medicine (2)
- Prosthetic Hand Control — EMG
- Walking Gait Analysis
🎬 VFX & Visual Effects Physics (2)
- Particle VFX
- Smoke VFX — Stable Fluids
🔩 Materials Science (21)
- Alloy Phase Diagram — Binary Eutectic
- Band Structure
- Binary Alloy Phase Diagram — Eutectic & Solidification
- Ceramic Fracture Mechanics
- Crystal Diffusion
- Crystal Dislocations — Edge Defects, Burgers Vector & Hall-Petch
- Crystal Twinning & Grain Boundaries
- Dendrite Growth — Snowflakes & Solidification
- Dislocation & Crystal Slip
- Dislocation Glide — Crystal Defects & Plasticity
- Grain Growth — Metallic Microstructure
- Hydrogel Swelling Mechanics
- Liquid Crystal
- Nucleation & Growth — Birth of a New Phase
- Ostwald Ripening — Big Grains Eat Small Ones
- Polymer Chain
- Rubber Network Elasticity
- Semiconductor Band Structure — Conduction, Valence & Doping
- Shape Memory Alloy
- Stress-Strain Curve
- Superconductivity
🌌 Cosmology (12)
- Big Bang Nucleosynthesis — First 20 Minutes
- CMB — Cosmic Microwave Background Power Spectrum
- Cosmic Web
- Dark Matter — Galaxy Rotation Curves
- Dark Matter Halo
- Exoplanet Transit — Detecting Planets via Light Curves
- Galactic Rotation Curve
- Galaxy Rotation Curves — Dark Matter Evidence
- Gravitational Redshift
- Hubble's Law — Expanding Universe
- Primordial Nucleosynthesis — Big Bang First 3 Minutes
- Schwarzschild Geodesics
📊 Statistics (15)
- Bayesian Inference — Prior, Likelihood & Posterior
- Bayesian Updating
- Benford's Law
- Birthday Paradox — Probability Simulation
- Bootstrap Resampling — Confidence Intervals
- Error Propagation & Uncertainty
- Galton Board
- Hypothesis Testing — t-test & p-value
- Linear Regression — OLS Least Squares
- Normal Distribution & Central Limit Theorem — Interactive Simulator
- PCA — Principal Component Analysis
- Probability Distributions Explorer
- Random Walk
- Regression to the Mean
- Student's t-Test
🧫 Biology (10)
- Ant Colony
- Bacteria Competition
- Bioluminescence
- Cell Signaling Cascade
- Coral Reef
- Cytoskeleton & Cell Motility
- Epidemic Wavefront
- Membrane Transport — Ion Channels
- Michaelis-Menten Kinetics
- Turing Patterns
🧬 Bioinformatics (1)
- DNA Sequencing
Counts reflect the live simulation index as of July 2026. New simulations are added regularly — the homepage search always reflects the current total.