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... red calmly, his gaze shifting to the slowly swinging pendulum bob.
Cecilia was stunned, her azure eyes widening slightly. "It’s moving? It’s really moving?"
Murphy pointed to the suspended pendulum bob. "This device... I call it a Foucault Pendulum. Look, the path of its swing is deflecting by a minuscule amount with each oscillation. If the earth were stationary, the plane of its swing should remain constant. But now..."
He gestured for Cecilia to observe the subtle chan ...
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