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🌌 This time, I created The Three-Body Theatre, an interactive experiment about the fragility of perfection.
✨ Enter The Three-Body Theatre
Imagine two universes containing three identical stars. They obey exactly the same laws of gravity, but their initial velocities differ by an almost imperceptible amount.
In the first experiment, the stars form a perfect rotating equilateral triangle. Everything looks stable.
But the symmetry is deceptive.
Press +10 time three times. In one universe, the triangle survives. In the other, its choreography falls apart.
Now switch to The Impossible Figure-Eight and repeat the experiment. This time, the stars resist the disturbance remarkably well.
I built three gravitational experiments, an interactive time machine, a graph of the divergence between universes, and controls for changing their initial conditions. You can also drag stars into new arrangements and save images of their trajectories.
The simulations use numerical gravitational dynamics, and I tested all three experiments, including their energy conservation and long-term behavior.
My favorite discovery in this little universe is that a perfect triangle can be dramatically less stable than an intricate figure-eight.
The entire observatory works offline, including on your phone. ✨
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