Buoyancy "downward" direction. The center of buoyancy of an object is the centroid of the displaced volume of fluid. Archimedes' principle is named after Archimedes of Syracuse, who first discovered this law in 212 B.C. For objects, floating and sunken, and in gases as well as liquids (i.e. a fluid), Archimedes' principle may be stated thus in terms of forces: — with the clarifications that for a sunken object the volume of displaced fluid is the volume of the object, and for a floating object on a liquid, the weight of the displaced liquid is the weight of the object. More
Gospel According to the Mark of Silver Gospel According to the Mark of Silver The Gospel According to the Mark of Silver is a work from the "Carmina Burana" later used to satirise Pope Leo X (1513-1521), who was famous for his profligate spending of church money. While Leo was also criticized by ecclesiastical officials after his death, the "Gospel" was a product of the Goliard movement. At that time, the Pope said to the Romans, "When the son of man comes to the seat of our majesty, first say, `Friend, why have you come?' But if he continues knocking without giving you anything, throw him out