⚡ Laser Light Sail — 2D Beam Capture and Acceleration Run

2D companion of the laser propulsion sim: relativistic photon-pressure dynamics F = 2P/c with Doppler loss, a diffraction-limited beam spot r = 1.22 lambda d / D, live capture, speed and distance, with energy and exact-solution checks.

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