Dialogue about Two New Sciences

Author: Galileo
Publisher:
Publish Date: 2006-06-01
Features: The Dialogue Concerning the Two New Sciences is one of Galileo's most important works. It is said that Galileo is the father of scientific experimentation. In this book, he systematically describes how he laid the foundation for the new sciences—material mechanics and dynamics—through numerous experiments. It is said that Galileo was one of the first to combine physics with rigorous mathematics. In this book, he systematically used the mathematics of his time to solve physical problems and demonstrate new physical laws, opening the door to modern precision science. It is said that Galileo pioneered the study of dynamics, and most of the content of this book summarizes his research on falling bodies, projectile motion, and the fundamental laws of dynamics. Galileo raised the issue of the strength of solids in The Dialogue Concerning the Two New Sciences, introduced his early experiments on the strength of beams, proposed the concept of equal-strength beams, discussed the effect of object size on strength under gravity, raised the problem of the velocity of falling bodies, gave an early account of energy conservation in a gravitational field, presented the principle of virtual work in simple cases, discussed the issue of atmospheric pressure, described the isochronism of pendulums, and for the first time linked musical tones to the vibration of objects. He proposed the concept of the speed of light and put forward an idea for measuring the speed of light, and so on.