Galileo Galilei to Einstein's special theory of relativity. A biography by Galileo's pupil Vincenzo Viviani stated that Galileo had dropped balls of the same material, but different masses, from the Leaning Tower of Pisa to demonstrate that their time of descent was independent of their mass. This was contrary to what Aristotle had taught: that heavy objects fall faster than lighter ones, in direct proportion to weight. While this story has been retold in popular accounts, there is no account by Galileo himself of such an experiment, and it is generally accepted by historians that it was at most a thought experiment
Italian submarine Galileo Galilei Italian submarine Galileo Galilei Galileo Galilei was an Italian "Archimede"-class submarine built for the Royal Italian Navy ("Regia Marina") during the 1930s. She was named after a famous Italian scientist Galileo Galilei. The ships were designed by the firm Cavallini and were an enlarged version of the preceding . Among the changes were the partially double hulled design, the boats had their ballast tanks rearranged, their range, fuel capacity were increased, and the armament strengthened. The number of torpedoes was increased from 12 on the "Settembrini" class to 16. They displaced surfaced and submerged. The submarines were long, had a