<P> Gabriel's horn (also called Torricelli's trumpet) is a geometric figure which has infinite surface area but finite volume . The name refers to the biblical tradition identifying the Archangel Gabriel as the angel who blows the horn to announce Judgment Day, associating the divine, or infinite, with the finite . The properties of this figure were first studied by Italian physicist and mathematician Evangelista Torricelli in the 17th century . </P> <P> Gabriel's horn is formed by taking the graph of </P>

Shape with finite volume and infinite surface area