Thursday, March 28, 2013


Galileo Galilei 

Brenda Lee Vargas Pérez 

Galileo Galilei was born on February 15, 1564 in Pisa. He died at age 77 in Florence on January 8, 1642. Mr. Galileo has been considered the father of modern physics. Galileo also was related to her scientific revolution. One of the achievements of Galileo was the first law of motion. The work of Galileo is considered a breach of settled theories of Aristotelian physics. Even as a student Galileo discovered the law of isochrony of the pendulum that was the first stage of what will be the discovery of a new science considered mechanical. Galileo had great scientific curiosity and began to show many theorems about the center of gravity of circa Theoremata some solids gravitatis centrum solidum. This leads Galileo to the reconstitution of the hydrostatic balance. In addition continued his studies of gravitational pendulum swings and invents the heart rate monitor. Also began his studies of falling bodies. Between 1590 and 1591 experienced Galileo on falling bodies and wrote his first play mechanics, De motu. In October 1604 Galileo discovered the law of uniformly accelerated motion which he associated with erroneous speed law. Galileo resumed his studies of motion and show that projectiles follow parabolic trajectories. In 1606 Galileo built his first thermoscope. The thermoscope is the first device that allows story objectively compare the level of heat and cold. Other inventions of Galileo was in 1609 and he built his first telescope. This telescope does not deform objects and you increase 6 times. "It is also the only telescope of the time getting right to obtain an image through the use of a diverging lens in the eye." The invention of the telescope marks a turn in the life of Galileo. He made an instrument that increases twenty times and with this Galileo observed the phases of the moon and discovers that this star is not perfect as described by Aristotle's theory. Aristotelian physics was distinguished by two worlds. The first was the sublunary world comprising the earth and all that lies between Earth and the Moon. In this world everything is imperfect and changing. The second world was the world supralunar, which begins on the moon, and extends beyond. In this area, there are more than perfect geometric shapes and immutable regular movements. The evidence presented Galileo's heliocentric system caused a conflict between the Catholic Church and he. According to Bertrand Russell was the conflict of inductive and deductive reasoning. Galileo has always been based on data from experimental observations demonstrating the validity of their arguments. Furthermore it is argued that Galileo did not show the movement of the Earth. The father of modern physics going from success to success and convincing everyone that won so many enemies especially those who believed in the geocentric theory. Galileo summoned the February 16, 1616 by the Holy Office for consideration of the proposals of censorship which was a disaster for him. "The Copernican theory is condemned as foolish, absurd in philosophy, and formally heretical." So Galileo remains confined to his home in Florence from December 1633-1638, but still could receive visits which allowed some of his works could cross the border.

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