Galileo Galilei to the biography by Vincenzo Viviani) that these began by watching the swings of the bronze chandelier in the cathedral of Pisa, using his pulse as a timer. Later experiments are described in his "Two New Sciences". Galileo claimed that a simple pendulum is isochronous, i.e. that its swings always take the same amount of time, independently of the amplitude. In fact, this is only approximately true, as was discovered by Christiaan Huygens. Galileo also found that the square of the period varies directly with the length of the pendulum. Galileo's son, Vincenzo, sketched a clock based on his father's
SS Galileo Galilei SS Galileo Galilei SS "Galileo Galilei was an ocean liner built in 1963 by Cantieri Riuniti dell' Adriatico, Monfalcone, Italy for Lloyd Triestino's Italy—Australia service. In 1979, she was converted to a cruise ship, and subsequently sailed under the names Galileo and Meridian. She sank in the Strait of Malacca in 1999 as the Sun Vista". Ordered by Lloyd Triestino in 1960, "Galileo Galilei" was built in Italy for the Australian immigrant route. "Galileo Galilei" was launched on 2 July 1961. On 23 March 1963, the ship entered service for Lloyd Triestino, doing Mediterranean cruises before departing on its official