Physics, Explored Interactively

Play with simulations. Build intuition. See the math come alive.

Explore PhysicsLab →51 articles with interactive elements

Latest Explorations

20 Sept 2026

Nuclear Fission vs Fusion: The Binding Energy Curve Explained

Nuclear fission vs fusion, explained by the binding energy curve — split or fuse any nucleus, weigh the missing mass, and run a live chain reaction.

nuclear fissionnuclear fusionbinding energymass defectE=mc²chain reactionnuclear physicsmodern physics

Modern Physics

13 Sept 2026

Standing Waves and Resonance: Why Everything Has a Natural Frequency

Standing waves and resonance, explained interactively — build string harmonics, paint Chladni patterns with sound, and shake buildings in an earthquake sim.

standing wavesresonancenatural frequency

6 Sept 2026

Electric Potential Calculator: Equipotential Lines and Work Done Moving a Charge

Electric potential calculator with interactive equipotential lines — drag point charges, compute V = kq/r, and measure the work done moving a test charge.

electric potentialequipotential lineselectrostatics

30 Aug 2026

Conservation of Angular Momentum: Ice Skater Spin and Gyroscope Precession

Conservation of angular momentum, L = Iω, with interactive simulators: see why a skater spins faster with arms tucked and why a spinning gyroscope precesses.

conservation of angular momentumice skater spingyroscope precession

Featured Posts

Centripetal Force Calculator and Circular Motion Simulator

Centripetal force calculator and circular motion simulator — compute F = mv²/r, period and acceleration, and see why the force points to the centre.

Snell's Law Calculator: Refraction and Total Internal Reflection

Snell's law calculator and interactive refraction simulator — find the angle of refraction and critical angle, and see total internal reflection live.

Signal Recovery with FFT

Build a noisy signal from multiple frequencies, then use the Fast Fourier Transform to recover the original — see denoising in action.

Interference and Diffraction of Light: Why Waves Make Patterns

See how light waves interfere and diffract with four interactive simulations — Young's double slit, single-slit diffraction, and diffraction gratings explained.

Half-Life Calculator and Radioactive Decay Simulator

Half-life calculator with an interactive radioactive decay simulator — find the amount remaining, decay constant and age of a sample from N = N₀e^(−λt).

Lorenz Attractor

Explore the butterfly effect with this iconic chaotic system.

Mandelbrot Set

Zoom into the Mandelbrot set — the most famous fractal in mathematics. Explore infinite boundary complexity generated by a single recursive formula, and discover how iteration count maps to the vivid colour gradient.