Tag Archives: motion

The Doppler Effect

Have you ever heard the ice cream truck? When I was little, I remember hearing the ice cream truck all the time. Just the sound of the opening notes of “Pop Goes the Weasel” were enough to propel me to … Continue reading

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Einstein: General Relativity

Albert Einstein may have been the genius among physicists, but like all others before his time, he stood on the shoulders of giants. Einstein did not propose that the sun was the center of the solar system; that idea was … Continue reading

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Einstein: Special Relativity

Albert Einstein’s name literally sends shivers down my spine. This is the man who discovered physics as we know it. This is the man who filled in the gaps where even Newton’s laws of motion went wrong and expanded our … Continue reading

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Newton’s Laws of Motion

It’s said that Sir Isaac Newton was sitting under an apple tree when an apple fell on his head, and that’s when all his discoveries began. Personally, I doubt that story—just as I doubt that Galileo Galilei ever dropped iron and … Continue reading

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Galileo and Motion

Before Galileo’s time, Aristotle was the god of gravity. Seriously. Before Galileo came along, the question of how gravity worked was answered with another question: “What would Aristotle say?” Obviously, this method was faulty, since Aristotle was actually wrong about … Continue reading

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