One of the previous experiments (guess what?) illustrated the law of Pascal. Yes, exactly, the programming language was named in honor of Pascal! In addition, in honor of this outstanding scientist was named a unit of pressure (1 Pa). Thus, the normal atmospheric pressure is considered to be equal to 760 mm Hg, or 101 325 Pa. But why do the skates «cut» the ice? From the other side. So why don’t people make the skates more steady?