Show HN: Throw Alice and Bob into Sagittarius A*

Category: other

Tags: general-relativity, physics-simulation, kerr-metric, visualization, rust

Score: 7.3/10 (Innovation: 7, Technical: 8, Documentation: 9, Utility: 5)

Black Hole Lab is a Rust-based physics simulation that visualizes the effects of general relativity around a rotating black hole using the Kerr metric. It allows users to launch observers (Alice and Bob) on trajectories, view spacetime from different frames of reference, and see light cones and signal propagation in real-time. The project is notable for its rigorous physics, interactive visualization, and educational value.

Target audience: physics enthusiasts, educators, students, and researchers interested in general relativity

Repository: https://github.com/steveking-gh/black-hole-lab · Rust · GPL-3.0 · 1 stars

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