⏱️ Special Relativity

Black Hole Accretion Disk Simulator (2D)New📱A top-down 2D companion to the 3D black hole simulation: a Keplerian accretion disk orbits… Space Station Rotation Control (2D)New📱Cross-section simulator of a rotating space-station hull. Tune spin rate and radius to set… Mass–Energy Equivalence E=mc² (2D)New📱Interactive 2D companion to the E=mc² nuclear-physics sim, focused purely on relativistic… Light Clock Time Dilation (2D)New📱Watch a photon bounce between two mirrors in a light clock at rest and in one moving at a… Lorentz Contraction 2D — Length Contraction Visualizer (2D)New📱A 2D Canvas companion to the 3D Lorentz contraction simulation. Drag the velocity slider… Minkowski Spacetime Diagram (2D)New📱Draw the light cone, worldlines and a Lorentz-boosted observer's tilted axes on a 2D x-ct… Twin Paradox (2D)New📱Launch a rocket twin on an outbound-turnaround-return trip at relativistic speed and compare… Relativity of Simultaneity — Lorentz Time Offset (2D)New📱A 2D dual-frame Canvas2D simulation of the relativity of simultaneity: two lightning-strike… Schwarzschild Spacetime: Embedding Diagram & Time Dilation (2D)New📱A 2D companion to the 3D geodesics simulation: Flamm's paraboloid embedding diagram of… Gravitational Wave Chirp (2D)New📱A 2D strain-waveform simulator of a compact binary inspiral. Adjust the two component masses… Relative Simultaneity (2D)New📱Drag two events on an interactive 2D Minkowski spacetime diagram and adjust the relative… Wormhole Embedding Diagram (2D)New📱Interactive 2D companion to the Morris-Thorne wormhole: this embedding-diagram cross-section… 3D Closed Timelike Curve — Temporal LoopNew📱A 3D spacetime-diagram simulation of a closed timelike curve: past a critical… Penrose Process — Extracting Energy from a Spinning Black Hole (2D)New📱A 2D side-on cross-section companion to the 3D Kerr black hole simulator: drop a particle… Closed Timelike Curves in a Rotating Universe (2D)New📱A 2D top-down companion to the 3D Gödel universe simulator: watch the g_φφ metric component… Exotic Matter Budget of a Warp Bubble (2D Cross-Section)New📱A 2D z=0 cross-section companion to the 3D warp-bubble simulator: a live heatmap of the… Hourglass Sand Timer (2D)NewA discrete falling-sand cellular automaton hourglass: grains stack cell by cell through a… 2D Lorentz TransformNew📱2D Minkowski spacetime diagram with two independent events. Applies the exact Lorentz… Spacetime Curvature Grid (2D)New2D canvas companion to the 3D spacetime-curvature scene: an isometric rubber-sheet grid… Accretion Disk Dynamics (2D)New📱2D top-down companion to the 3D accretion disk scene: matter orbits a central mass on real… Shapiro Time Delay 2D — Radar Signal Slowed by GravityNew📱Fire a radar pulse past a massive body on a schematic top-down diagram and watch general… Alcubierre Warp Bubble 2D Cross-Section: Spacetime Contraction & ExpansionNew📱Interactive 2D cross-section of the Alcubierre warp-drive metric: a bubble of contracted… Gravitational Wave Sky Localization: Detector Triangulation (2D)New📱2D companion to the 3D detector-triangulation sim: the same real Hanford/Livingston/Virgo… GPS Relativistic Clock Correction: 2D Orbit MapNew📱Top-down 2D companion to the circular-orbit GPS simulator: a real Kepler-equation propagator… Relativistic Velocity Addition — Spacetime & Rapidity DiagramNew📱Interactive 2D Minkowski spacetime diagram of Einstein's relativistic velocity-addition law:… Kerr Black Hole Cross-Section & Frame-Dragging DialsNew📱2D Kerr (rotating) black hole diagram: a meridional cross-section shows the oblate… Billiard-Ball Time Loop (2D): A Self-Consistent ParadoxNew📱Top-down 2D model of the Polchinski billiard-ball time-travel paradox: a ball rolling toward… Gravitational Wave Detector: Michelson Interferometer Response (2D)New📱A 2D companion to the 3D ring-of-test-masses simulator: instead of showing the spacetime… Gravitational Wave Polarization: Ring of Test MassesNew📱Watch a ring of free-falling test masses stretch and squeeze as a plus- or cross-polarized… Gravitational Wave Sky Localization: Detector TriangulationNew📱Place the LIGO Hanford, LIGO Livingston and Virgo detectors on a 3D Earth, pick a… Penrose Process — Extracting Energy from a Spinning Black HoleNew📱Drop a particle into the ergosphere of a rotating Kerr black hole and split it in two: watch… Shapiro Time Delay — Radar Signal Slowed by GravityNew📱Fire a radar pulse past a massive body and watch general relativity's fourth classical test… GPS Relativistic Clock CorrectionNew📱Fly a GPS satellite in a real circular orbit and watch special-relativistic time dilation… Relativistic Velocity AdditionNew📱Launch a probe from a ship moving near the speed of light and compare Einstein's… Kerr Black Hole: Frame-Dragging & the ErgosphereNew📱Interactive 3D Kerr (rotating) black hole: watch the event horizon and the oblate ergosphere… Closed Timelike Curves in a Rotating UniverseNew📱Explore the Gödel rotating-universe solution to Einstein's field equations: watch light… Alcubierre Warp Bubble: Spacetime Contraction & ExpansionNew📱Interactive 3D Alcubierre warp-drive simulator: a bubble of flat spacetime carries a ship… Billiard-Ball Time Loop: A Self-Consistent ParadoxNew📱A ball rolling toward a wormhole mouth is struck by its own future self just before it… Exotic Matter Budget of a Warp BubbleNew📱Computes and visualizes the negative energy density an Alcubierre warp bubble requires… Chrono-Miner (Ultra)New📱Explore the effects of time dilation through mining operations. Manipulate your equipment… Wormhole Tunnel TraversalNew📱A traveler accelerates through a throat-shaped tunnel connecting two distant points — tune… Black Holes & Spacetime CurvatureNew📱A rubber-sheet model of general relativity: a central mass warps a 2D spacetime grid,… Relativistic Physics SimulationNew📱This simulation illustrates Einstein's theory of relativity by showcasing concepts like time… Gravitational Lensing: Mass & DistortionNew📱Manipulate the mass of a central object to witness how it distorts spacetime, creating… Space Station Rotation ControlNew📱Take command of a space station's rotation, experimenting with different speeds and axes to… Three Dimensional Black HoleNew📱This simulation visually represents the effects of gravity around a black hole. It… 3D HourglassNew📱This simulation visually represents the concept of time dilation as predicted by Einstein's… 3D Spacetime CurvatureNew📱This simulation visually represents Einstein’s theory of general relativity by demonstrating… Black Hole MergerNew📱This simulation visually represents the dramatic event of two black holes merging. It’s a 3D… Wormhole TravelNew📱This simulation explores the theoretical concept of wormholes as shortcuts through… Wormhole Traversal: SpacetimeNew📱Manipulate wormhole parameters like size and gravitational fields to observe the distortion… Galactic Collision: Orbital Dynamics & GravityNew📱Observe the intricate dance of colliding galaxies, controlling gravity strength, time flow,… Neural Network Intelligence in Stellar SystemsNew📱This simulation explores how artificial neural networks can be used to model complex… Stellar Mass & Orbital Dynamics in SpaceNew📱This simulation explores the fundamental relationship between a star's mass and its orbital… Accretion Disk SimulationNew📱Explore the extreme gravitational forces surrounding a black hole through this interactive… Gravitational Effects Around a Black HoleNew📱This simulation explores the extreme effects of gravity around a supermassive black hole. By… Black Hole LensNew📱An interactive 2D simulation visualizing how massive objects like black holes can warp… Black Hole Gravitational LensingNew📱This simulation allows users to explore the extreme effects of a black hole's gravitational… Gravitational Waves SimulationNew📱Explore the fascinating world of gravitational waves through this interactive simulation.… Gravitational Lensing — Black Hole WarpNew📱This simulation visually represents the extreme effects of gravitational lensing around a… Multiple Body Orbital MechanicsNew📱This simulation demonstrates the principles of orbital mechanics, allowing users to… Physics Astronomy Physics SimulatorNew📱This simulation introduces basic astronomical concepts, such as planetary motion and… Portal Vortex: Spacetime WarpNew📱Manipulate gravitational fields to create and control a portal vortex, observing the… S08 Warp Speed TunnelNew📱This simulation models the theoretical concept of a warp drive tunnel, exploring the… Space Time Manipulation SimulationNew📱This simulation explores the theoretical concepts of time dilation and gravitational effects… Temporal Temporal Anomaly SimulationNew📱This simulation demonstrates the concept of temporal anomalies – deviations from expected… Temporal Temporal Causality SimulationNew📱This simulation demonstrates the principle of causality – that cause precedes effect –… Temporal Temporal Paradox SimulationNew📱This simulation demonstrates the concept of temporal paradoxes – situations where actions in… Temporal Temporal Stability SimulationNew📱This simulation demonstrates the concept of temporal stability – the resistance of a… Temporal Time Dilation SimulationNew📱This simulation demonstrates the principle of time dilation – where time passes differently… Temporal Time Loop SimulationNew📱This simulation demonstrates the concept of a time loop – where an event repeats… Transcendent Time Transcendence SimulationNew📱The simulation investigates theoretical concepts related to time manipulation and the… Temporal Communication SimulationNew📱This simulation investigates the theoretical possibility of communication across time. It… Ultimate Energy Reality Manipulation Energy SimulationNew📱This simulation investigates the theoretical ability to alter reality through energy… Ultimate Energy Reality ManipulationNew📱Simulate energy changes affecting physical laws and spacetime in this advanced relativity… Wormhole Tunnel VisualizationNew📱Explore the theoretical concept of wormholes and observe how spacetime might be warped to… Spacetime Distortion Through a WormholeNew📱Observe the visual representation of spacetime distortion as a wormhole tunnel, manipulating… Gravitational LensingNew📱This simulation visually represents gravitational lensing – the bending of light around… Gravity WellNew📱This simulation demonstrates the concept of a gravitational well, showcasing how massive… Gravity Well Multi MassNew📱This simulation focuses on a gravitational well with multiple masses interacting,… Black Hole AccretionNew📱This simulation illustrates the accretion disk behavior around a black hole, where matter… Black Hole LabNew📱This simulation allows users to experiment with the effects of a black hole's gravity on… Dark Matter LensingNew📱This simulation demonstrates the gravitational lensing effect caused by massive objects like… Gravity WaveNew📱This simulation visually represents the propagation of gravitational waves through… Realistic 3D Black Hole Gravity SimulatorNew📱This simulation provides a realistic representation of the extreme gravity around a black… Wormhole — Morris–ThorneNew📱Peer through a traversable Morris–Thorne wormhole rendered as a Flamm-style embedding… Gravitational Wave Chirp — LIGO Inspiral Waveform Interactive📱Set binary masses and distance, watch h(t) strain waveform sweep and chirp, spectrogram,… Relative Simultaneity — Einstein's Train & Lightning Thought Experiment📱Train at adjustable v/c, two lightning bolts, dual animation showing ground and train… Twin Paradox — Special Relativity Time Dilation📱Send one twin on a round trip near light speed and count the ticks each clock records,… Lorentz Contraction — Length Contraction in Special Relativity📱Accelerate a rod toward light speed and measure how the gamma factor squeezes its length… Minkowski Spacetime Diagram📱Boost between reference frames on a spacetime diagram and see world lines tilt, the light… Relativity of Simultaneity — Train & Lightning Thought Experiment📱Two lightning strikes appear simultaneous for the platform observer but not for the moving… Schwarzschild Geodesics — Black Hole Orbits & General Relativity📱Geodesics in Schwarzschild spacetime around a black hole. Photon sphere at 1.5 rs, ISCO at 3… Special Relativity — Time Dilation & Length Contraction📱Push a spaceship toward light speed and watch the Lorentz factor stretch clocks and shrink… Mass–Energy Equivalence E=mc²📱Explore Einstein's E=mc² through animated nuclear fission (U-235) and fusion (D-T). See the… Lorentz Transform — Minkowski Diagram📱Set velocity β and drag event A on a Minkowski diagram to watch Lorentz transformations…