Galileo 1564 was born in Pisa on February 25th.
1590, Galileo made a famous experiment of "two iron balls landing at the same time" on the leaning tower of Pisa, which overthrew Aristotle's theory that "the falling speed of an object is directly proportional to its mass" and corrected this erroneous conclusion that lasted for 1900, when he was only 26 years old.
Listening to the ticking of the clock every day, every time I see the sun in the west, I will always find some footprints of time. It slowly c