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☢️ Nuclear Physics

Radioactive decay, fission chain reactions and nuclear binding energy — the science of atomic nuclei.

67 simulations60 fps real-time0 install steps
Nuclear Reactor Core Glow (2D)New📱Canvas2D companion: a one-group point-kinetics reactor model where control-rod withdrawal,… Nuclear Fusion: Reactor Cross-Section (2D)New📱A 2D poloidal cross-section of a tokamak reactor running the same Lawson-criterion, D-T… Fission Chain Reaction Simulator (2D)New📱Interactive 2D nuclear fission chain reaction simulator: launch a seed neutron into a grid… Antimatter Collector — 2D Accretion Disk & Relativistic JetsNew📱A 2D Keplerian accretion disk feeds relativistic jets while orbiting satellites collect… Nuclear Waste Repository 2DNew📱A 2D grid model of decay heat and radionuclide transport through a clay buffer into host rock. U-238 Decay Chain: Bateman Equations & Secular Equilibrium (2D)New📱2D uranium-238 decay chain lab: the real 14-step Bateman equations solved exactly for every… Nuclear Power Plant Simulator (2D)New📱2D cross-section of a nuclear reactor core and steam-turbine cycle: control rod depth and… Nuclear Chain Reaction Simulator (2D)New📱2D top-down neutron-transport model of a nuclear chain reaction: individual neutrons fly… Molten Salt Reactor 2D: Thermal Feedback & Drain-Tank SafetyNewInteractive 2D cutaway simulator of a circulating-fuel molten salt reactor: dial… Uranium Ion-Exchange Resin Column (2D)NewInteractive 2D ion-exchange column simulator: pregnant leach solution flows down through a… Nuclear Fission Chain Reaction (2D)New📱Interactive 2D nuclear fission chain-reaction simulator: neutrons travel through a bounded… 2D Radioactive Decay — Stochastic Half-Life & Decay ChainsNew📱Individual atoms decay one at a time with a real per-atom probability P = 1-2^(-dt/T1/2)…
Nuclear Binding Energy Curve (2D)New📱Click-driven 2D binding-energy-per-nucleon curve built from the Bethe-Weizsacker… Nanograin Radiation-Damage Sink Map (2D)New📱A 2D cross-section simulator of radiation damage in nuclear reactor materials: watch… Critical Heat Flux & DNBR Boiling Curve Simulator (2D)New📱Interactive 2D fuel-rod boiling-crisis simulator: drag to scroll along a coolant channel,… Fusion Fuel Reactivity Explorer (2D)New📱Interactive 2D log-log plot of Maxwellian-averaged fusion reactivity <σv>(T) for D-T, D-D,… Reactor Point Kinetics 2D: Core Glow & Power Strip ChartNew📱2D point-kinetics reactor simulator: insert a step reactivity change in dollars and watch a… Alpha Decay Quantum Tunneling — 2D WKB Barrier ProfileNew📱2D Gamow-theory simulator: watch the WKB tunneling exponent build up across an alpha… RBMK Positive Scram Effect: 2D Core Reactivity MapNew📱A 2D top-down reactor-core map of the RBMK control-rod 'positive scram effect': 36 channel… Gamma-Ray Shielding & Buildup FactorNew📱Track individual gamma photons Compton-scattering or photoelectrically absorbing inside a… Nanograin Radiation-Damage Sink SimulatorNew📱Watch nanoscale grain boundaries act as sinks that absorb neutron-generated vacancy and… RBMK Positive Scram Effect: Graphite-Tip Reactivity SpikeNew📱A 3D model of the RBMK control-rod 'positive scram effect' — the graphite displacer design… Critical Heat Flux & DNBR Margin SimulatorNew📱Interactive 3D fuel-rod boiling-crisis simulator: tune heat flux, coolant pressure, mass… Reactor Point Kinetics & Reactivity InsertionNew📱Insert a step reactivity change in dollars and watch neutron power respond exactly per the… Alpha Decay Quantum TunnelingNew📱Gamow-theory 3D simulator: an alpha particle tunnels through a nucleus's Coulomb barrier.… Fusion Fuel Reactivity ExplorerNew📱Compare the Maxwellian-averaged fusion reactivity of D-T, D-D, D-³He and aneutronic p-¹¹B… Gamma-Ray Shielding & Buildup FactorNew📱Track individual gamma photons Compton-scattering or photoelectrically absorbing inside a… Antimatter Collector (Ultra)New📱Explore the fascinating world of antimatter by collecting and managing a virtual supply.… Fission Chain Reaction SimulatorNew📱placeholder: fire a neutron into a lattice of uranium-235 nuclei, watch fission chain… Tokamak Fusion Reactor SimulatorNew📱Tune magnetic field, plasma current, temperature, and density to confine a swirling fusion… Radioactive Decay & Nuclear Structure SimulatorNew📱Watch a population of unstable nuclei undergo alpha, beta, or gamma decay and track how… Fusion Energy ExplainedNew📱Explore a tokamak cutaway with magnetic coils confining a glowing plasma torus, and see how… Nuclear Physics SimulationNew📱This simulation demonstrates fundamental principles of nuclear physics, including… Nuclear Reactor Core GlowNew📱This simulation visually represents the core of a nuclear reactor, demonstrating the… 3D Fusion ReactorNew📱The simulation demonstrates the basic principles of nuclear fusion, showcasing the… 3D Nuclear Chain ReactionNew📱This simulation illustrates the principles of nuclear fission and chain reactions. Users can… 3D Nuclear Power PlantNew📱This simulation demonstrates the basic operation of a nuclear power plant, showcasing the… 3D Radioactive DecayNew📱This simulation demonstrates the process of radioactive decay, showing how unstable nuclei… Engineering Nuclear Engineering SimulationNew📱This simulation introduces the basics of nuclear physics and reactor design. Users will… Fusion Plasma ConfinementNew📱This simulation visually represents the complex processes occurring within a fusion reactor,… Tokamak Plasma Fusion SimulationNew📱Explore the intricate processes within a Fusion Reactor 3 simulation, witnessing firsthand… Nuclear Medicine Research CenterNew📱This simulation demonstrates the principles of nuclear medicine, including imaging… Nuclear Energy SimulatorNew📱This simulation models the complex processes of nuclear fission and fusion, allowing you to… Nuclear Fusion SimulatorNew📱This simulation demonstrates the physics of nuclear fusion reactions, showcasing the energy… Interactive 3D Nuclear Power Plant Energy GenerationNew📱This simulation allows you to explore the intricate process of energy generation within a 3D… Nuclear Reactor ControlNew📱This simulation models the key processes occurring within a pressurized water reactor (PWR),… Nuclear Reactor SimulationNew📱This simulation demonstrates the principles behind nuclear reactor operation, illustrating… Nuclear Reactions And RadioactivityNew📱This simulation demonstrates the principles of nuclear physics, showcasing how atomic nuclei… Uranium In SituNew📱This simulation demonstrates the principles of in-situ uranium extraction, showcasing the… Uranium Ion Exchange SimulationNew📱This simulation provides a simplified representation of uranium isotope separation using an… Uranium Resin Ion ExchangeNew📱This simulation illustrates the process of uranium extraction using ion exchange resins,… Fusion Divertor Erosion - 3D SimulationNew📱This simulation explores the erosion processes occurring within a fusion reactor's divertor,… Mercury RetortNew📱This simulation demonstrates the process of mercury extraction using a retort. It showcases… Molten Salt Reactor - 3D SimulationNew📱This simulation models the behavior of a molten salt reactor, demonstrating heat transfer,… Neutron Activation GaugeNew📱This simulation allows you to explore the principles behind a Neutron Activation Gauge (NAG)… Nuclear Chain ReactionNew📱This simulation demonstrates the process of nuclear fission, showing how a chain reaction… Pressurized-Water Reactor ControlNew📱Users control a simulated nuclear reactor, managing power output, cooling systems, and… Nuclear Reactor CoreNew📱This simulation provides an interactive exploration of a nuclear reactor core, detailing the… Nuclear Waste Repository - 3D simulationNew📱This 3D simulation models the design and operation of a nuclear waste repository, focusing… Radioactive Decay LabNew📱This simulation allows users to explore the process of radioactive decay. It demonstrates… Uranium DecayNew📱This simulation illustrates the process of radioactive decay for uranium isotopes. It… Uranium In Situ Recovery FieldNew📱This simulation explores the process of Uranium In Situ Recovery (ISRU), a method for… Nuclear Fission Chain Reaction📱Neutron-induced fission chain reaction: configurable U-235 enrichment, moderator fraction… Radioactive Decay Simulator📱Start with N₀ unstable nuclei decaying stochastically at rate λ = ln2/T½. Compare the random… Nuclear Binding Energy Curve📱Bethe-Weizsäcker semi-empirical mass formula B/A vs mass number A. Tune volume, surface,… Nuclear Fusion — Tokamak & Lawson Criterion📱Tune plasma temperature, density and confinement time in a tokamak to hit the Lawson… Fusion Reactor Cross-Section📱Tune plasma temperature and magnetic field strength in a 2D tokamak cross-section and watch…
About the category

Nuclear Physics

Radioactive decay, fission chain reactions and nuclear binding energy — the science of atomic nuclei.

Three.js · WebGL 60 FPS CC BY 4.0
Quick facts
67interactive simulations in this category
⚡runs at 60 FPS in any modern browser
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🎓CC BY 4.0 — free for classrooms and LMS embeds

Frequently asked questions

Do I need to install anything to run Nuclear Physics simulations?▾

No. Everything runs entirely in your browser — no downloads, plugins or accounts. Works in Chrome, Firefox, Edge and Safari; most simulations also work on mobile.

Can I use these simulations for teaching?▾

Yes — all content is free for educational use under CC BY 4.0. Link to any simulation directly or embed it in your LMS with an iframe; no API key required.

Are the models scientifically accurate?▾

They use the same mathematical formulations as professional software, integrated numerically in real time. Each simulation lists its algorithms, and many link to an article explaining the mathematics.

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