Short A black-and-white photograph shows three liquid-filled glasses in a row.
Long A black-and-white photograph shows three glasses in a row. The glass on the left contains water, the middle glass contains milk, and the glass on the right contains a black, opaque liquid.
Short A black-and-white photograph shows an analog scale holding two analog clocks with the times "12:04" and "12:15." The latter clock is shown to weigh more than the former.
