Next up in our continuing series of Old Dead White Guys is Galileo, who lived from ad 1564 – 1642 in Pisa, Italy. He was a scientist whose method was to prove or disprove an idea by conducting experiments and observing the results—the way we understand science today. For instance, to prove the idea that a heavy object and a light object will fall at the same speed, he dropped a heavy weight and a light weight (like a bowling ball and a billiard ball) from the top of the Leaning Tower of Pisa. He dropped them both at the same time. They landed on the ground at the same time.
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