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♦ Minkowski Spacetime Diagram (2D)

Interactive 2D Minkowski spacetime diagram. Plot the light cone, worldlines and a Lorentz-boosted observer's axes for adjustable velocity v/c, with a live Lorentz-factor readout.

Special Relativity2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

Draw the light cone, worldlines and a Lorentz-boosted observer's tilted axes on a 2D x-ct spacetime diagram. Adjust velocity v/c to watch the second frame's axes tilt toward the light cone and the Lorentz factor climb, drop your own worldline events by clicking the canvas, and drag vertically to scrub coordinate time.

relativityspacetimelorentz-transformlight-coneworldlinespecial-relativity

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