Measured by the lab
1.879394
Does a cloud of random walkers spread according to the diffusion law?
▶ Run the simulationSee the measured result
Release particles from a point, track the mean-square displacement ⟨r²⟩(t), and recover the diffusion coefficient from its slope.
⟨r²⟩ = 4Dt and the Einstein relation D = σ²/2Δt