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Suspension Bridge Wind LoadNewThis simulation demonstrates the effects of wind loading on a suspension bridge. Users can… Synthetic Graphite Furnace SimulationNewThis simulation demonstrates the principles of heat transfer and fluid dynamics involved in… Tellurium Recovery SimulationNewThis simulation explores the recovery of tellurium from various sources, likely through… Thermal Phosphorus SimulationNewThis simulation models the thermal decomposition of phosphorus compounds, such as triphenyl… Tin Cassiterite Shaking TableNewThe simulation illustrates the principles of shaking table concentration for tin and… Tin Spiral SimulationNewThis simulation visually represents the process of tin smelting through spiral formation.… Tungsten Apt SimulationNewThis simulation demonstrates the process of tungsten refining through a series of chemical… Tungsten Jig SimulationNewThis simulation demonstrates the principles of jig separation used in tungsten mining.… Underground Ventilation NetworkNewThis 3D simulation visualizes the critical role of ventilation networks within underground… Vermiculite Exfoliation SimulationNewThis simulation demonstrates the physical process of vermiculite exfoliation – the splitting… Volcanic Eruption LabNewThis simulation allows users to conduct virtual experiments exploring the dynamics of… Volcanic Plume DispersionNewThis 2D simulation demonstrates how volcanic plumes spread through the atmosphere,… Volcano ObservatoryNewThis simulation replicates the operations of a volcano observatory, allowing players to… Wildfire Ember SpottingNewThis simulation models the dispersion of wildfire embers in a forest environment. Users can… Wildfire ForestNewThis simulation models a wildfire event within a forest environment. Users can adjust… Wind Turbine FlowNewThis 2D simulation visualizes the complex flow of air around a wind turbine blade,… Wind Turbine WakeNewThis 3D simulation explores the wake phenomenon behind a row of wind turbines, showing how… Xrf Core Scanner SimulationNewThis simulation demonstrates the functionality of an XRF core scanner, showcasing its… Xrt Lump Ore Sorting SimulationNewThis simulation demonstrates the operation of an XRT (e.g., X-Ray Transmission) based system… Zinc SedexNewThis simulation demonstrates the properties of zinc and its potential uses in various… Zirconium Kroll SimulationNewThis simulation demonstrates the chemical reaction between zirconium and hydrochloric acid… Cherenkov Radiation: The Sonic Boom of LightNewDiscover why charged particles racing through water or ice can outrun light itself (in that… Neutrino Oscillation: Particles That Change Identity Mid-FlightNewDiscover how neutrinos created as one flavor can be detected as another after traveling… Adiabatic Processes: Compressing Gas Without Adding HeatNewExplore adiabatic compression and expansion, the pressure-volume relation that governs them,… The Pauli Exclusion Principle: Why Matter Takes Up SpaceNewExplore why no two identical electrons, protons, or neutrons can ever occupy the same… The Zeeman Effect: How Magnetic Fields Split Spectral LinesNewExplore how the Zeeman effect splits a single spectral line into multiple lines when atoms… Rutherford's Gold Foil Experiment: How Alpha Particles Discovered the Atomic NucleusNewExplore Ernest Rutherford's 1909-1911 gold foil experiment, where firing alpha particles at… The Millikan Oil Drop Experiment: Measuring the Charge of a Single ElectronNewExplore how Robert Millikan's 1909 oil drop experiment measured the elementary electric… Fermi-Dirac Statistics: Why Electrons Refuse to Pile Into the Same StateNewExplore Fermi-Dirac statistics, the quantum rule that governs how electrons and other… Magnetohydrodynamics: When Fluids and Magnetic Fields Dance TogetherNewExplore magnetohydrodynamics, the physics of conducting fluids and magnetic fields that… Anderson Localization: When Disorder Traps a Quantum WaveNewExplore Anderson localization, the quantum interference effect where enough disorder in a… The Franck-Hertz ExperimentNewExplore the 1914 experiment that proved atoms absorb energy only in discrete amounts. Watch… Mössbauer Effect LabNewExplore recoil-free gamma-ray emission and absorption in crystal lattices, and see how the… The Kondo Effect: When Colder Metal Resists MoreNewExplore the Kondo effect, the puzzling rise in a metal's electrical resistivity as it is… Thermoelectric Seebeck and Peltier EffectsNewExplore how a junction of two dissimilar conductors converts a temperature difference into… Surface Plasmon Resonance: Watching Molecules Bind in Real TimeNewExplore how surface plasmon resonance turns a thin gold film into a label-free biosensor,… Sonoluminescence: Light from SoundNewExplore how a single trapped gas bubble, driven by an intense sound wave, collapses so… The Piezoelectric EffectNewExplore how squeezing certain crystals generates electricity, and how voltage can make… The Marangoni Effect: Surface Tension in MotionNewExplore how gradients in surface tension drive fluid flow across a liquid interface, from… The Ferrofluid Rosensweig InstabilityNewExplore how a flat pool of ferrofluid spontaneously erupts into a regular grid of sharp… The Kibble-Zurek MechanismNewExplore why rapidly cooling a system through a phase transition inevitably leaves behind… Stark Effect LabNewExplore how a static electric field splits and shifts atomic spectral lines, from the… The Talbot Effect: Self-Imaging Without a LensNewExplore how coherent light passing through a diffraction grating spontaneously reproduces… The Pockels Effect: Electro-Optic Modulator LabNewExplore how an applied electric field turns certain crystals into voltage-controlled… The Purcell Effect: How a Cavity Controls Spontaneous EmissionNewExplore why an excited atom's decay rate isn't fixed but depends on the electromagnetic… The Unruh Effect: Why Accelerating Through Empty Space Feels WarmNewExplore the Unruh effect, the startling quantum field theory prediction that a uniformly… The Efimov Effect: An Infinite Ladder of Three-Body Quantum StatesNewExplore the Efimov effect: how three identical bosons can form an infinite geometric ladder… The Peierls Transition & Charge Density Wave LabNewExplore why a one-dimensional metal chain spontaneously dimerizes at low temperature,… The Barkhausen Effect: Domain Jumps LabNewExplore why magnetizing a piece of iron isn't smooth: watch magnetic domains snap past… Spin Ice Frustration: Pyrochlore Ice Rules and Magnetic MonopolesNewExplore how magnetic moments on a pyrochlore lattice obey local 2-in/2-out ice rules,… Nernst Effect: Thermomagnetic Transverse Voltage GenerationNewSee how a temperature gradient across a conductor in a perpendicular magnetic field produces… Rashba Spin-Orbit Splitting in a 2D Electron GasNewExplore how structural inversion asymmetry splits a 2D electron gas band into two… The Hysteresis LoopNewInteractive 3D magnetic material where cycling an applied magnetic field back and forth… How a Transformer Moves Power Across an Air Gap with No Wires TouchingNewInteractive 3D transformer model with primary and secondary coils where adjusting turns… Kirchhoff's Circuit LawsNewInteractive 3D circuit board where adding resistors and voltage sources into loops and… Interactive MOSFET I-V Curve AnalysisNewManipulate gate voltage and drain voltage sliders to visualize the current-voltage… Simulated Smart Grid Frequency DynamicsNewObserve the impact of load changes and generation dispatch on grid frequency within a… Linear Voltage Regulator (LDO) ExplainedNewInteractive 3D LDO regulator circuit where varying input voltage and load current shows… Simple Machines Mechanical Advantage LabNewInteractive 3D workshop where swapping levers, pulleys, inclined planes and gears shows how… Foam Drainage SimulatorNewInteractive 3D foam structure where adjusting bubble size and liquid fraction shows how… Rising Bubble in Viscous FluidNewExplore how a bubble's movement is affected by fluid viscosity and density in this… Taylor-Green Vortex Decay SimulatorNewInteractive 3D velocity field where adjusting Reynolds number shows how an initially ordered… Water Caustics Refraction SimulatorNewInteractive 3D pool where rippling the water surface shows how Snell's law refracts sunlight… Damped Harmonic Oscillator SimulatorNewInteractive 3D mass-spring-damper where sliding the damping coefficient shows the transition… DSMC Rarefied Gas Flow SimulatorNewInteractive 3D particle chamber where lowering gas density shows how direct simulation Monte… Granular Hopper Discharge SimulatorNewInteractive 3D hopper filled with sand grains where adjusting outlet width shows why… Small vs Large Angle Pendulum ComparatorNewInteractive 3D pendulum where cranking the swing amplitude past small-angle limits shows how… Rolling Motion Race SimulatorNewInteractive 3D incline where racing a sphere, cylinder and hoop down together shows how… Spin Glass Frustration SimulatorNewInteractive 3D lattice of spins where randomizing bond couplings shows how competing… Gyroscope Precession SimulatorNewInteractive 3D spinning top where changing spin rate and tilt angle shows how gravitational… Static vs Kinetic Friction Incline SimulatorNewInteractive 3D ramp where tilting the incline angle shows the threshold where static… Terminal Velocity Drag SimulatorNewInteractive 3D falling object where adjusting shape, mass and air density shows how drag… Aurora Borealis Physics SimulatorNewInteractive 3D magnetosphere where varying solar-wind intensity shows how charged particles… Volcano Type ComparatorNewInteractive 3D cutaway where switching magma viscosity and gas content shows how shield,… Escape Velocity & Gravity WellsNewLaunch a projectile from the Moon, Earth or Jupiter and watch Newtonian gravity decide its… Angular Momentum Conservation — Spinning SkaterNewWatch a spinning skater speed up and slow down as she pulls her arms in and out. Interactive… Atwood Machine — Pulley Tension & AccelerationNewSimulate an Atwood machine: two masses connected by a string over a pulley. Adjust m1, m2… Ballistic Pendulum — Measuring Velocity from Momentum & EnergyNewFire a bullet into a pendulum bob and watch momentum conservation in the collision followed… Centrifuge — Centripetal Force & G-ForceNewSpin a sample in a rotor and watch centripetal force and g-force scale with RPM and radius.… Crash Test — Impulse-Momentum TheoremNewCrash a vehicle into a barrier and see how impulse J = mΔv and stopping time/distance… Damped Harmonic Oscillator — Spring-Mass-DamperNewSimulate a damped spring-mass-damper system in real time. Adjust mass, stiffness and damping… Static vs Kinetic Friction — Block on an InclineNewAdjust the incline angle, applied force, and static/kinetic friction coefficients to see… Rolling Motion — Sphere vs Cylinder vs Hoop on an InclineNewWatch a sphere, cylinder and hoop race down an incline. See how moment of inertia decides… Simple Pendulum — Small-Angle vs Large-Angle MotionNewCompare a real nonlinear pendulum (RK4-integrated θ'' = -(g/L)sinθ) against the small-angle… Terminal Velocity — Falling Body & DragNewDrop a feather, a ball or a skydiver and watch drag force grow until it balances gravity at… Torsion Pendulum — Angular OscillatorNewA disk suspended by a torsion wire twists back and forth like a rotational… Gyroscope Precession SimulationNewSpin a gyroscope, tilt it, and watch gravity produce steady precession plus a nutation… CatenaryNewHang a chain between two points and see why a free cable settles into a catenary, with sag… Debye Length — Plasma ShieldingNewVisualize Debye shielding in plasma. A test charge is surrounded by a screening cloud.… Topological Defects — Vortex DynamicsNewExplore vortex defects in a 2D XY model. Watch +1/2 and -1/2 disclinations attract and… Stochastic Resonance — Noise-Assisted DetectionNewSee how adding the right amount of noise to a weak signal can make it detectable in a… Granular Jamming — Packing Phase TransitionNewExplore the jamming transition: how random packing of hard discs transitions from fluid to… Bragg Diffraction — X-ray Crystal StructureNewSimulate Bragg diffraction: nλ = 2d·sin(θ). Rotate a crystal and watch… Spring Network — Random Elastic LatticeNewA 2D random spring network under load. Explore Maxwell criterion: below z_c ≈ 4 the network… Rarefied Gas — DSMC CollisionsNewDirect Simulation Monte Carlo (DSMC) for a rarefied gas. Particles stream and collide… Viscoelastic Wave PropagationNewWaves in a Maxwell viscoelastic medium. Below the crossover frequency ω_c = G/η they… Dark Matter Direct DetectionNewWIMP dark matter scatters off nuclei: recoil energy E_R = μ²v²(1−cos θ)/m_N.… Abelian Sandpile — Self-Organised CriticalityNewDrop grains onto a grid: when a cell reaches 4 grains it topples, triggering avalanches with… Josephson Junction — AC & DC Josephson EffectsNewExplore DC and AC Josephson effects: a supercurrent tunnels through a thin insulating… Elastic Collisions — 2D Billiards & Maxwell-BoltzmannNewWatch N frictionless discs bounce with perfectly elastic collisions. Track total KE,… Optical Tweezers — Laser Trapping of ParticlesNewA tightly focused laser beam traps a dielectric bead via gradient force F~∇I. Drag the laser… Phase Transition — Order Parameter & Critical PointNewWatch the 2D Ising model undergo a phase transition at Tc ~ 2.27 J/kB: magnetisation drops… Granular Flow — Hopper Discharge & Arch FormationNewSand grains pour through a funnel orifice following Beverloo law Q ~ (D-kd)^2.5. Narrow the… Percolation — Clusters & Critical ThresholdNewFill a grid with open sites at probability p and identify connected clusters via union-find.… Plasma Oscillations — Langmuir WavesNewDisplace electrons in a neutral plasma: the restoring Coulomb force causes oscillation at… Topological Insulator — Bulk-Edge CorrespondenceNewThe SSH model with alternating hoppings t1, t2: tune across the topological boundary t2/t1=1… Spintronics — Spin Transport & GMR EffectNewGiant magnetoresistance (GMR): current through a ferromagnet/spacer/ferromagnet stack… Spin Glass — Frustration & Slow RelaxationNewRandom ferromagnetic and antiferromagnetic bonds create frustrated spin configurations with… Faraday Waves — Parametric Surface PatternsNewVibrate a fluid layer vertically: above a critical amplitude, standing surface waves appear… Quantum Hall Effect — Quantised ConductanceNewIn a strong magnetic field a 2D electron gas shows Hall conductance quantised in exact… Landau Levels — Electrons in a Magnetic FieldNewA charged particle in a magnetic field moves in circles; quantum mechanics quantises these… Compton Scattering — Photons as ParticlesNewA photon scattering off an electron loses energy, shifting its wavelength by Δλ = (h/m_e… Debye Model — Heat Capacity of SolidsNewTreating a solid's vibrations as a gas of phonons, the Debye model explains why heat… Brachistochrone — Curve of Fastest DescentNewRace gravity beads down a line, arc, parabola and cycloid to watch the brachistochrone win.… Soap Film — Minimal Surfaces & Plateau's ProblemNewWatch a soap film relax into a minimal surface by iterating Laplace's equation ∇²h=0 — each… Projectile Motion — Range, Angle & Air ResistanceNewInteractive projectile motion simulator: vary launch angle, initial speed and drag… 2D Collisions — Momentum and EnergyNew2D elastic and inelastic ball collisions with conservation of momentum and energy. Adjust… Maglev Train Simulation – Magnetic LevitationNewExplore the physics of maglev trains by adjusting speed and magnetic field strength to… Z-PinchNewDrive megaamps through a plasma column and watch its own magnetic field squeeze it, until… Rope & Chain PhysicsNewA rope as point particles linked by distance constraints, integrated with Verlet and… Archimedes' PrincipleNewBuoyancy equals the weight of displaced fluid: F_b = ρ·V·g. Drop a cube, sphere or ship-hull… 3D Spherical PendulumNewA bob constrained to a sphere swings, traces rosette orbits, locks into perfect cones — and,… Projectile Motion – Launch Angle & SpeedNewThis simulation allows you to launch a projectile at different angles and speeds, observing… Dzhanibekov EffectNew3D torque-free rigid-body rotation showing the intermediate axis theorem (tennis racket /… TsunamiNewTrigger a seafloor uplift and watch the wave spread across a shallow-water grid, racing… Lennard-Jones Molecular Dynamics SimulationExplore the behavior of a fluid system by adjusting parameters like temperature and atom… Ising Model2D Ising ferromagnet on a square lattice via Metropolis-Hastings Monte Carlo. Adjust… Fire & SmokeCellular automaton with fire, smoke, ember, ash, wood, water and wall cells. Wind direction,… Viscoelastic FluidExplore rheology with Maxwell, Kelvin-Voigt and Standard Linear Solid models. Drag an… Driven ResonanceSweep the driving frequency of a damped mass-spring system and watch amplitude spike at… Crystal Structures — BCC, FCC, HCP, Diamond LatticesRotate BCC, FCC, HCP and diamond unit cells in 3D and compare their coordination numbers and… Chain & Rope — Position-Based Dynamics SimulationSimulate flexible chains and ropes using position-based dynamics (PBD). Drag endpoints,… Drum Membrane Vibration — 2D Wave Equation & Chladni PatternsSimulate a vibrating circular drum membrane using the 2D wave equation. Visualise standing… Granular Materials — Sand Pile & Angle of ReposeSimulate granular materials: drop sand grains, watch the pile grow, measure angle of repose,… Ising Model — Phase Transitions and FerromagnetismInteractive 2D Ising model simulation using Metropolis-Hastings Monte Carlo. Watch… Maxwell's Wheel — Yo-Yo Energy ConservationDrop Maxwell's wheel and watch it unwind, bottom out, then climb back up as potential and… Parachute Physics — Terminal Velocity & DragSimulate parachute descent: freefall, canopy deployment, and terminal velocity. Control… Solid Body Fracture — Voronoi Impact SimulationSimulate fracture of brittle solids using Voronoi tessellation. Click or throw a projectile… String Vibration — Standing Waves and HarmonicsInteractive string vibration simulation. Pluck the string with the mouse or select harmonic… Bridge DesignerInteractive truss bridge structural analysis using the finite element method. Choose Warren,… Interactive Magnetic Field Lines VisualizerExplore the dynamic formation of magnetic field lines in response to placed north and south… Pendulum Wave Motion SimulationExplore the fascinating wave patterns generated by a pendulum's motion! Adjust the… Spring-Mass NetworkInteractive spring-mass system with Verlet integration. Drag masses, adjust stiffness and… Particle DiffusionParticle diffusion and osmosis simulation. Watch Fick's second law in action as particles… Electric Field LinesInteractive electric field lines and equipotential surfaces from point charges. Add positive… Fracture SimulationVoronoi fracture of glass, concrete, ice, ceramic, metal and wood. Click to shatter at… BalloonsColourful helium balloons float upward. Click to pop with confetti. Pop mode, free float or… Magic Sand & SmokeDraw with the mouse to create sand, smoke, fire or water. Cellular automaton with gravity,… MechanismsInteractive kinematics: gear trains, crank-slider, chain drives and four-bar linkages.… Billiards Table SimulationExplore the dynamics of billiard balls as you adjust parameters like aim angle, power,… Domino Chain Reaction Physics SimulationWitness the mesmerizing physics of a domino chain as you adjust tile height and spacing,… Dynamic Fireworks Particle SystemExplore the mesmerizing world of fireworks as you manipulate particle density, gravity, and… Bubble WorldSoap bubbles simulation with surface tension, iridescent shading and collision physics. Car PhysicsRealistic driving with suspension, drift, nitro and particle effects. Navigate rough terrain. Spring-Mass Cloth SimulationExplore the physics of cloth movement with this simulation! Adjust the spring stiffness and… Sand AutomatonSand, water, fire, wood, acid, smoke. Draw with mouse — watch substance reactions. Fermi-Pasta-Ulam RecurrenceA chain of nonlinear oscillators showing energy returning to mode 1 — the FPU recurrence… Granular Gas — Inelastic CollapseInelastically colliding discs cool via the Haff law and cluster — a granular gas simulation. Plasma Instability — Kelvin-HelmholtzTwo plasma layers of different velocity drive a shear Kelvin-Helmholtz instability with… Atmospheric OpticsFour scenes: Rayleigh sky scattering with sunset colours, rainbow arc physics, 22°… Lorenz Equations Strange Attractor ViewerVisualize the mesmerizing strange attractor generated by the Lorenz equations in 3D space,…