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mars-red-mirror-art-science-24

mars-red-mirror-art-science-24.jpg A pendulum clock telling the time from simple oscillations...Thumbnailsnagashima spaland 17 028A pendulum clock telling the time from simple oscillations...Thumbnailsnagashima spaland 17 028A pendulum clock telling the time from simple oscillations...Thumbnailsnagashima spaland 17 028