MIDKERNEL / PHYSICS
Explore orbital motion and curved light. Each observatory pairs an interactive model with its assumptions, numerical checks and original release history.
BLACK HOLE / THREE VERSIONS
Follow light through Schwarzschild and Kerr geometry. Compare the original lensing model with a rotating black hole and an illustrative accretion disk.
v2 is a quality preview. Progressive refinement and structured emission are available; the final 4K film and physical iPhone/Safari review remain open release gates.
SOLAR SYSTEM / TWO VERSIONS
From Mercury’s subtle orbital shift to an interactive, three-dimensional observatory. Compare Newtonian gravity with a first post-Newtonian approximation and inspect the limits of the model.
METHODS MADE INSPECTABLE
Published versions retain their original scientific artifacts and films. New versions appear alongside them, with changes and limitations stated explicitly.