The Law of Falling Objects Year of Discovery: 1598
What is it? Objects fall at the same speed regardless of their weight.
Who discovered it? Galileo Galilei
It seems a simple and obvious discovery. Heavier objects don’t fall faster. Why does it qualify as one of the great discoveries? Because it ended the practice of science based on the ancient Greek theories of Aristotle and Ptolemy and launched modern science. Galileo’s discovery brought physics into the Renaissance and the modern age. It laid the foundation for Newton’s discoveries of universal gravitation and his laws of motion. Galileo’s work
was an essential building block of modern physics and engineering.
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