The wall effect correction accounts for the compression of the liquid against the sides of the container holding the fluid as the sphere moves through. This is based on a ratio between the sphere radius and the inner radius of the cylinder. The end effect correction modifies Stokes law to account for the fact that the sphere does not fall indefinitely and is based on the ratio of sphere radius to the total height of the liquid. The effect of this correction is usually much smaller than the effect of the wall correction. Stokes's law can also be used to find the viscosity of the same liquid at different temperatures.
Objects move much more slowly through very cold liquids than through warm liquids.
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