Templates for Relativity Event Handlers, Custom Pages, and Agents.
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Updated
Aug 4, 2025 - JavaScript
Templates for Relativity Event Handlers, Custom Pages, and Agents.
Browser-based 3D relativistic / gravito-electromagnetic sandbox. Rust + WASM physics core (strict f64), Three.js renderer with a deformable spacetime lattice.
Free online books to learn theoretical physics on your own
CHAKRA — Temporal Cycle Observatory: offline multi-tradition astronomical/calendrical observatory, tested library, and URL→JSON API. GPL-3.0.
A highly accurate numerical calculation physics engine javascript library. theory of relativity. Validity verified by automated testing: https://nas6.net/testpoly_chktest/testpoly_chktest.htm
What are Newton's laws of motion? An interactive, open-source explainer. Glassbox No. L03.
Explore relativity through six interactive 3D experiments. Three.js, Chinese/English switching, and a bilingual video demo. 六个双语相对论互动实验。
2D Relativistic Black Hole Simulator & Sandbox | Schwarzschild Black Hole Physics Engine + Gravitational Lensing + Accretion Disk + Pilotable Spaceship
基于 WebGL2 的实时黑洞渲染器:史瓦西度规零测地线光线追踪、引力透镜、吸积盘与光子环 · Real-time Gargantua black hole renderer
An interactive real-time astrophysics simulation and scientific visualization sandbox featuring relativistic black hole physics, gravitational lensing, time dilation, Kerr frame dragging, tidal disruption events, accretion disks, black hole mergers, and relativistic polar jets.
Physics engine (for learning purpose only)
Browser hyperspace-jump simulator with real relativity and Alcubierre warp physics over the nearest stars
What are speed, velocity and acceleration? An interactive, open-source explainer. Glassbox No. L15.
Personal blog about black holes and other things.
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