Velocity of frame S′
drag to tilt the rose frame0.00c
Relativistic factors
Lorentz γ1.000
length contractionL / γ = 1.000 L
time dilationγΔτ = 1.000 Δτ
tilt of t′ axis0.0°
Spacetime readout
click the diagramto place an event
Velocity presets
Actions
STEP 1 / 5
Drag the velocity slider. The cyan grid is the lab frame; the rose grid is a frame moving at v through it. At v=0 they overlap exactly — same spacetime, two viewpoints.
Space animate R reset T tour ←/→ nudge β 1–5 mode
physicsspecial-relativitylorentzminkowskisandbox