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Light Clock

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FPS: 60t = 0.000 s
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special relativity

Light Clock

Visualizing time dilation

Watch a photon bounce between mirrors in moving reference frames.

5 minCANVAS2Dintermediate

Key Equation

Δt′=γΔt,  γ=11−v2/c2\Delta t' = \gamma \Delta t, \; \gamma = \frac{1}{\sqrt{1-v^2/c^2}}

Topics

light-clocktime-dilationlorentz