Lab

A scrollytelling journey through the methods astronomers use to measure cosmic distances - from parallax to Cepheid variables to Type Ia supernovae to Hubble expansion.

50,000 asteroids rendered in real-time. Five views reveal orbital structure, Kirkwood gaps, asteroid families, near-Earth objects, and the history of discovery.

N-body simulation of two galaxies colliding. 100,000 particles with timeline scrubbing, speed control, and narrative event markers through the merger process.

Earth cross-section with animated seismic wave propagation, synchronised seismograms across five stations, velocity profiles, and shadow zone visualisation.

Every planet drawn to its true relative size. Swipe through the solar system and feel the difference between Jupiter and Earth. Mercury is a speck.

A rotating neutron star with its radio beam sweeping past like a lighthouse. Drag to change spin speed, tilt to lose the signal. Three presets: normal pulsar, millisecond pulsar, magnetar.

The densest objects in the visible universe rendered as a WebGL2 particle system. Three states: quiet neutron star, active pulsar, and magnetar starquake with bloom post-processing.

Thousands of real satellites tracked in real time on a 3D globe. SGP4 propagation from CelesTrak TLE data, colour-coded by purpose, with constellation highlights and density view.

A map of everything that can exist - from quarks to supermassive black holes. ~200 cosmic objects positioned on a mass-radius diagram according to fundamental physical limits.

How spacecraft navigate - from the counterintuitive physics of orbits to Hohmann transfers and gravity assists. An interactive transfer designer with real mission profiles.

Interactive Mandelbrot and Julia set explorers with real-time iteration, zoom, and multiple colour maps. Plus Koch snowflake construction and a natural fractals gallery.

Radioactive decay chain visualisation with a logarithmic time scrubber spanning femtoseconds to billions of years. Guided narrative mode and free exploration of isotope populations.

Interactive network topology comparison, epidemic spread simulation, and attack resilience testing. Force-directed graph layout with random vs scale-free network generation.

The counterintuitive result where adding road capacity makes traffic worse. Case studies from Seoul, Stuttgart, and New York with interactive network flow simulation.

Golden angle seed packing - watch 1,200 seeds arrange themselves into the same spiral patterns found in sunflowers, pine cones, and succulents. Fibonacci spiral arms emerge naturally.

The random walk that proved atoms exist. Dual-scale simulation showing microscale molecular collisions producing macroscale random walks, with live mean squared displacement verification.

Aperiodic order from two tiles. Watch recursive deflation build a pattern that has fivefold symmetry but never repeats - the same structure found in quasicrystals.

Harmonograph and parametric curves. Two perpendicular oscillations trace geometric figures determined by their frequency ratio, from simple ratios to damped harmonograph decay.

Hilbert and Peano curves - one-dimensional paths that visit every point in two-dimensional space. Watch recursive construction and see why they preserve locality.

When orbits lock into harmony. From Jupiter's Galilean moons in 1:2:4 resonance to TRAPPIST-1's seven-planet chain - see how simple period ratios create stable, repeating geometric patterns.

50,000 stars from the ESA Gaia catalogue in four coordinated views. The transitions between sky, HR diagram, galactic, and observer views are the explanatory moment.

Why first-movers lose. A strategic framework for understanding network dynamics - from AltaVista to Google, MySpace to Facebook, Nokia to iPhone.

You use it every day to play games. But what's actually happening inside that box? An explanation designed to make computing hardware genuinely interesting to kids aged 8-12.

Particles tracing a divergence-free noise field. Curl noise produces organic, fluid-like motion - particles flowing through it never converge or diverge.

The butterfly effect made visible. A deterministic system that produces chaos - two trajectories starting a hair's breadth apart diverge completely.

High-density slime mould simulation where agents deposit and follow chemical trails. Emergent networks resemble veins, rivers, and cosmic web structure.

Planck Legacy CMB map rendered as an interactive sky globe with harmonic decomposition.