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↔️ Lorentz Contraction 2D — Length Contraction Visualizer (2D)

Interactive 2D Lorentz (length) contraction simulator. Drag β = v/c toward 1 and watch a rod shrink along its direction of motion by the exact factor L = L0/γ.

Special Relativity2DEasy60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

A 2D Canvas companion to the 3D Lorentz contraction simulation. Drag the velocity slider toward the speed of light and watch a rod visibly shrink along its direction of motion by the exact relativistic factor L = L0/gamma. A live gamma readout and an unaffected transverse rod show that only the parallel dimension contracts.

relativityspecial-relativitylorentz-factorlength-contractionphysics2d

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