GALILEO GALILEIIn the dynamic environment of the University of Padua, also a result of the climate of relative religious tolerance guaranteed by the Republic of Venice, Galileo conducted cordial relations with the personality of the philosophical and scientific orientation away from her, she also attended the educated circles and circles Senate of Venice, where he made friends with the noble Giovanfrancesco Sagredo, Galileo will make the protagonist of his Dialogue Concerning the Two Chief World Systems, and Paolo Sarpi, theologian and expert also in mathematics and astronomy. It is contained in its October 16, 1604 letter addressed to the monk served the formulation of the law of falling bodies.
Galileo was held in Padua lessons mechanics since 1598, his Treatise of mechanical, printed in Paris in 1634, should be the result of his courses, which had originated from the “mechanical issues” of Aristotle. Unlike the greek philosopher, Galileo, any body tends to fall downward, in the direction of the center of the Earth. If there are bodies that rise to the top because it is the medium in which they are located, having a higher density, pushes them up.
At the University of Padua Galileo outfitted with the help of Marcantonio Mazzoleni, an artisan who lived in her own home, a small workshop which performed the experiments and manufactured tools sold to supplement their income. Is 1593 the car to bring the water to a higher level, for which he obtained a patent from the Venetian Senate twenty years for his public use.
Towards 1594 he composed two treatises on fortification works, the “Brief introduction to the military” and the “Treaty of fortification”; Galileo around 1597 he built a compass, which he described in the brochure “The operations of the geometric and military compass,” published in Padua in 1606 and dedicated to Cosimo II.