Which conductor is taller?
Don't believe your eyes. Check for yourself. Drag them around.

Which conductor is taller?
Don't believe your eyes. Check for yourself. Drag them around.

The upper conductor looks larger because we interpret the converging railroad tracks (according to linear perspective) as parallel lines receding into the distance. In this context, we interpret the upper conductor as though he were farther away, so we see him as larger – the farther conductor would have to be larger than a nearer one for both to produce retinal images of the same size.

The upper conductor looks larger because we interpret the converging railroad tracks (according to linear perspective) as parallel lines receding into the distance. In this context, we interpret the upper conductor as though he were farther away, so we see him as larger – the farther conductor would have to be larger than a nearer one for both to produce retinal images of the same size.