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⏳ Time Dilation: 2D Spacetime Diagram

Interactive 2D spacetime diagram of the twin paradox plus clock rates in a gravity well.

Special Relativity2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

Interactive 2D spacetime diagram of the twin paradox with draggable turnaround point, simultaneity lines and a light-clock explanation, plus a gravity-well view comparing ground, orbiting and relativistic clocks.

relativitytime dilationtwin paradoxspacetime diagramgravitational time dilation

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