(color online) The viscosities of (a) Ga₈₀Cr₂₀ and (b) Ga₈₀Ni₂₀ alloy melts under magnetic fields of intensities 0 Gs, 95 Gs, 245 Gs, 475 Gs, 650 Gs, and 935 Gs. The solid lines are the fitting curves according to the Arrhenius law.