"Archimedes Was In His Bath It Seems ..."
Watch carefully, the professor said, reaching out to his students. The students, however, weren't used to seeing this old scholar mockingly. With a precise and determined gesture, he activates the piston. The sphere filled with water began to spray the assembly in all directions. The young people then understood why the teacher had not taken off his raincoat. "There" he shouted, Archimedes was right. The class hadn't seen that the sphere was pierced with tiny little holes .... They laughed again.