MM POP SCIENCE — Visual Demos
Interactive physics visualizations for teaching and exploration.
Minkowski Spacetime
Interactive Minkowski diagram demonstrating time dilation, Lorentz transforms, and invariant hyperbolas.
Open MinkowskiRelativistic Kinetic Energy
Calculate relativistic kinetic energy using γ = 1/√(1 − v²/c²). Handy for near-light speeds.
Open CalculatorDoppler Effect Simulator
Visualize wavefront compression and expansion for moving sources; includes Mach number display.
Open DopplerBirthday Paradox Simulator
Calculate the probability of shared birthdays in a group using a Monte Carlo simulation.
Open Simulator3-Body Problem
Interactive orbital sandbox. Explore chaotic motion and the famous stable Figure-8 solution.
Open SandboxWave Motion Simulator
Visualize wave propagation and the inverse relationship between frequency and wavelength.
Open SimulatorCosmological Redshift
Calculate lookback time and the age of the universe for a given redshift (z).
Open CalculatorRedshift-Distance
Convert cosmological redshift into lookback distance in billions of light-years.
Open ConverterSpecial Relativity
Explore fundamental effects: time dilation, length contraction, and mass increase.
Open CalculatorProjectile Motion Lab
Experiment with kinematics by launching projectiles at varying angles and velocities.
Open LabBinary System Simulator
Explore the cosmic dance of two stars orbiting a shared center of mass, and the effects of varying their masses.
Open Simulator