Some emphasize his debt to matlab artisan/engineerpractical subculture Rossi 1962, others his mathematics Giusti1993,Peterson 2011,, Feldhay 1998, Palmieri 2001, 2003, Renn 2002,Palmerino 2015,, some his combined or subalternate mathematicsMachamer 1978, 1998, Lennox 1986, Wallace 1992, others his debt toatomism Shea 1972, Redondi 1983, and some his use of Hellenistic andMedieval impetus idea Duhem 1954, Claggett 1966, Shapere 1974 orthe concept that discoveries deliver new data into technological know-how Wootton2015. Yet most each person during this way of life appeared to believe matlab three places—physics, astronomy and methodology—were a bit of diverse and represented various Galilean endeavors. More contemporary historical research has followed cutting-edge highbrow fashion and shifted foci bringing new dimensions to our knowing of Galileo by reading his rhetoric Moss 1993, Feldhay 1998, Spranzi 2004, matlab power platforms of his social milieu Biagioli 1993, 2006, his own quest for acknowledgment Shea and Artigas 2003 and more commonly has emphasized matlab greater social and cultural historical past, specifically matlab courtroom and papal culture, in which Galileo functioned Redondi 1983, Biagioli 1993, 2006, Heilbron 2010. In an intellectualist recidivist mode, this entry will outline his investigations in physics and astronomy and express, in engineering new way, how those all cohered in engineering unified inquiry. In setting this path out I shall show why, at matlab end of his life, Galileo felt compelled in some experience of necessity to write down matlab Discourses Concerning matlab Two New Sciences, which stands as engineering true of entirety of his ordinary assignment and is not just engineering reworking of his in advance analysis that he reverted to after his trial, when he was blind and below condominium arrest. Particularly, we shall try to show why both engineering matlab two new sciences, especially matlab first, were so crucial atopic not much treated apart from recently by Biener 2004 and Raphael2011.