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
Museo Galileo Among the most important exhibitions in Italy and the world: "Renaissance Engineers: From Brunelleschi to Leonardo da Vinci"; "The Mind of Leonardo: The Universal Genius at Work"; "The Medici and Science"; "Galileo’s Telescope: The Instrument that Changes the World"; "Galileo: Images of the Universe from Antiquity to the Telescope"; "Vinum Nostrum: Art, Science and Myths of Wine in Ancient Mediterranean Cultures"; "Archimedes: The Arte and Science of Invention". Museo Galileo publishes historical scientific works and two journals, which are "", and "Galilaeana", devoted to research about the figure, work and scientific findings of Galileo Galilei. The Nuncius Library series publishes