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
1634: The Galileo Affair 1634: The Galileo Affair 1634: The Galileo Affair is the fourth book and third novel published in the 1632 series. It is co-written by American authors Eric Flint and Andrew Dennis and was published in 2004. It follows the activities of an embassy party sent from the United States of Europe (Grantville) to Venice, Italy, where the three young Stone brothers become involved with the local Committees of Correspondence and the Inquisition's trial of Galileo Galilei. Following Grantville's alliance with Gustavus Adolphus and their military successes, texts of modern-day history books of the seventeenth century have become very popular among