Europe-Florence and Pisa

September 21, 2005, beginning to Italy Florence, Pisa tour

Florence is a city with a long history of cultural city, it is the birthplace of the Renaissance in Italy, and is also the cradle of European culture.

It is situated in the Arno Valley, in a Valley, surrounded by the hills all around.

Legend has it, the oldest building in Florence in the Roman Republic Caesar in 59 BC-epoch, Florence became the Roman year of colony.

By the rule of Lombardy, the 13th century, wool and textiles industry is developing rapidly and purses, became an important city in Italy. Then Florence political power by the Guild control, 1282 years established a Republic, State powers transferred to the most powerful in the hands of the nobility.

15 century, Florence this flower Hosta flowers are local giant American Imperial Beach (Medici) family the Lion the guardian, the guardian is three hundred years, and the beauty of the Imperial Beach family also became the Grimaldis in Florence Wei today.

15 century-18th century, up to three centuries of history can be said to be in Florence and the rise and fall of meidiqi family closely linked. At that time, the family got local real political and economic power.

Florence is the most brilliant moment, several Renaissance.

Mei Tai Chi family has a passion for art, in its protection and funding, at that time, the accumulation of many famous people in Florence, such as: da · Finch, Dante, Michelangelo, Galileo, Macchia Willy (the author of the sovereign ") are one of them, but it is precisely because of the many outstanding artists create a lot of light shining Renaissance buildings, sculptures and paintings, Renaissance Florence became the focus of a European art center of culture and thought. Until 1737 meidiqi family after the death of the last ruler, Florence again in Austria.

After the unification of Italy in 1860 Florence has become the capital of Italy 11 years until 1871 moved to Rome.

The Tower of Pisa from Galileo's free-fall test and let people know

1590, the legend, was born in Pisa in Italy physicist Galileo in Pisa on free fall experiments, the weight of the two different spheres from the same height at the left, the results of two shot almost at the same floor, which discovered the law of free fall, overturned a previous Aristotle thought of heavy objects will first reach the ground, the speed of falling bodies with proportional to its quality.

However, Galileo's two ball is not the same as the legendary together, even if the acceleration of gravity, two sphere effect by air resistance, and will not fall together.

This is why goose feather and down with the shot will not. Due to air resistance, two balls cannot be considered as free fall. However, Galileo's experiment theory is correct, in a vacuum, whether multiple objects, follow the law of free fall.

According to records, 1612, one in the Tower of Pisa to do such experiments, but he is in order to rebut the Galileo for the experiment, the result is two balls and not reach the ground.

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