The Foucault Pendulum: Jean Foucault

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A student with a compulsive longing for the explanations of why and how things work is a science professor’s dream student. Thus, it would make sense for the first few steps within the science building to intensify that essential characteristic of its students by its very construction. The foyer of the science building evokes this sense of scientific wonder and rational thought through its methodical design, which is embodied at its center by a Foucault pendulum.

The Foucault pendulum is named after the French physicist Jean Foucault, who first used it in 1851 to demonstrate the rotation of the Earth. It was the first observable demonstration of the Earth’s rotation. The profound bronze weight that swings back and forth is connected to a central pivot point outstretching from the glorious timber ceiling by a 55-foot cable. The pendulum’s oscillation takes place directly over a concave, circular platform approximately four feet above the ground encircled by a thick metallic railing. Its concavity is filled with bronze-colored sand, and on its railing is a sign forbidding people from touching the pendulum. At the tip of the swinging bob is a needle that protrudes two centimeters down into the sand, resulting in the formation of a line drawn in the sand at the conclusion of each swing. The line drawn continually rotates a small degree as the Earth slowly rotates. The swaying of the Foucault pendulum is known to be deceiving to its observers since it is instinctual to perceive the ground upon which one stands as unchanging, making it seem much more likely that the pendulum is moving. The stunning reality of the situation is that the pendulum’s path does not ever change; the only changing variable is Earth’s rotation.

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...ize its aesthetic appeal.

Most students who walk into the science building and see the pendulum know that there is specific science that explains how a pendulum works but most likely do not know its details. This provokes the awareness that something that entrancing can be explained by science, and the absence of the specific explanations provokes the longing for a more scientific understanding of the world. To someone who is not in love with science, the mathematics behind the nature of a pendulum is not very awe-inspiring, which is perhaps why the pendulum in the foyer of the science building is so exquisitely made. By hanging a 55-foot pendulum appearing to have been made of gold to a majestic, wooden ceiling encompassed with natural light, Berry College made sure that it would strike a significant amount of reverence even to those who are new to science.

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