Inside a Black Hole, the Rules You Know Stop Working
Where spacetime collapses and light cannot escape. Experience gravitational lensing, accretion disks, and the first image of a black hole — interactively.
Journal
Journal
The Overview Effect
Astronauts report a profound shift upon seeing Earth from space. Scroll through the atmosphere in 3D and discover why borders vanish from 400 km altitude.
Three Stars. No Solution. Three Hundred Years of Failure.
Three gravitating bodies, no exact solution. Simulations reveal deterministic chaos — from Newton's clockwork orbits to Poincaré's impossible proof.
The Kardashev Scale: How Far Can Civilization Go?
Explore the Kardashev Scale — from Type I to Type III civilizations. Interactive slider lets you harness a star's energy output. Where does humanity rank?
The Dyson Sphere: Engineering a Star
Freeman Dyson proposed capturing a star's entire energy. Explore Dyson Swarms with 3D simulations, transit detection, and cathedral-scale build timelines.