Galileo Galilei

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Galileo Galilei

Galileo Galilei

How He Influences Us Today


Mathematical Training Continued. . .

It was throught numerous experiments that he eventually distanced himself from the Aritotle's view on motin and began supporting the Archemedian approach, which led to his popularity to dwindle among society; thus his teaching contract was not renewed.

In 1589 he accepted a job at the University of Pisa as the chair of mathematics. This is where it is suggested that he experimented in the Leaning Tower by dropping objects.

After leaving the University, Galileo worked several small teaching positions. He began wokring on a book, which he eventually published. "The Little Balance" focused on his work on the hydrostatic balance. This is what brought him some recognition.

However, despite his contract not being renewed, Galileo managed to find a new position at the University of Padua. There he taught geometry, mechanics and astronomy. This position came at a good time because his father had just died (1591) and Galileo had been left in charge of his younger brother, Michelagnolo. Galileo would remain that that university for the next 18 years. During that time he would give lectures which would atract people from all over, thus increasing his fame.

Invented the Sector (an instrument that has a plumb, two legs with measurements on them, and a right angle).

Discovered sunspots that drifted from one side of the sun's disc to the other.Galileo was not the first to observe sunspots. Galileo's blindness later in life was probably caused by looking at the sun so carelessly.

First to discover that Venus had phases like the moon.

Invented his own Telescope. This telescope only magnified about 30 times but it was enough to make some of the most important discoveries in the history in astronomy.

Invented the Hydrostatic Balance (an accurate balance that could weigh objects both in water and in the air).

Discovered the four largest satellites of Jupiter. These four moons, Io, Europa, Ganymede,& Callisto, were named the "galilean" moons in honor of galileo.

Discovered that the moon had craters, mountains, and valleys.

Invented the Thermometer in 1606.

He developed the modern scientific method by insisting that scientific experiments use mathematics to analyze results. Today any experiment has to be done in a way that would allow others to do the same experiment and get the same results.

Through his experiments on motion, light waves, sound frequency and material strengths, he developed many theories. These theories would lead to greater discoveries and theories, such as Newton's laws of motion, and Einstein's modern theory of relativity.

Many of his inventions led to more sophisticated items. Without his work on astronomy, then we would be way behind in space exploration. In addition, his work in physics laid the foundation for much of modern physics. Much of modern technology is somehow linked to Galileo's work.

In 1954, he patented a pump that raised water with the use of a horse to power it.


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