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LastyearwhenscientistsmountedapendulumabovetheSouthPoleandwatcheditswing,theywerereplicatingacelebrateddemonstrationperformedinParisin1851.Usingasteelwire220feetlong,theFrenchscientistJeanBer-nardLeonFoucaultsuspendeda62-poundironballfromthedomeofthePanth
LastyearwhenscientistsmountedapendulumabovetheSouthPoleandwatcheditswing,theywerereplicatingacelebrateddemonstrationperformedinParisin1851.Usingasteelwire220feetlong,theFrenchscientistJean Ber-nardLeonFoucaultsuspendeda62-poundironballfromthedomeofthePanth