Mechanics
Projectile Motion
Investigate trajectories with vectors, drag forces, and motion graphs
Moments & Equilibrium
Investigate moments, balanced beams, and conditions for static equilibrium
Vector Addition
Add vectors with parallelogram, component, and force-equilibrium views
SHM & Resonance
Explore simple harmonic motion, damping, and resonance with a driven mass on a spring
Electricity
DC Circuit Construction Kit
Build series and parallel circuits; measure current, voltage, and resistance
AC Circuit Construction Kit
Investigate AC circuits with resistors, capacitors, inductors, and resonance
Capacitor Toolkit
Explore charge, capacitance, and energy in series, parallel, and combination capacitor networks
Fields
Electromagnetism
Waves and Light
Wave Motion and Superposition
Explore phasors, travelling and standing waves, and superposition
Refraction
Investigate Snell's law, total internal reflection, and critical angles
Path Difference and Young's Fringes
Explore Young's experiment with path difference, phase difference, and bright/dark fringe analysis
Two Speaker Interference
Explore sound interference with two speakers; drag the microphone and hear the loud and quiet bands
Multimode Fibres
Visualise light rays in optical fibres and the effects of modal dispersion
Nuclear
Radioactive Dice
Model radioactive decay by rolling dice, with exponential and log-linear graphs for half-life and decay constant
Radioactivity Toolkit
Investigate absorption, the inverse-square law, half-life and counting statistics on a virtual Geiger–Müller bench
Binding Energy, Fission & Fusion
Pick any nuclide and calculate its binding energy per nucleon from the mass defect, then work out the energy released by fission, fusion and nuclear-decay reactions, with full step-by-step working