One of the must-see exhibits include a model of Foucault's experiment which allows visitors to watch the pendulum slowly rotating clockwise without external force as a the result of earth's rotation.
必看的展品之一是福柯实验模型, 参观者可以看到钟摆在没有外力的情况下顺时针缓慢旋转, 这是地球自转的结果。