🏖️ Sandbox Impact Lab - 2D Crater Section and Ejecta Map

2D companion of the sandbox impact lab: true-scale crater cross-section with the falling ball and ejecta, plan view of the blanket with rays and oblique butterfly, and the E^1/4 scaling laws, with six in-page checks.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install