🚂 Relativity of Simultaneity (2D)

Two events, A and B, happen at the same time in the rest frame S. Watch them happen at different times in a frame S' moving at velocity v.

β = v/c 0.60

Event separation Δx 160 px

t′ = γ(t − vx/c²) · Δt′ = γvΔx/c²

γ 1.250

Δt in frame S 0.0

Δt′ in frame S′ —

t′_A —

t′_B —

Press "Trigger events"