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The water sampling bottles are lowered into the water with their tops and bottoms held open by nylon strings attached to the center of the frame. To take a water sample, scientists send an electric pulse down the cable that releases one of the nylon strings and the bottle snaps shut trapping water inside.


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The water sampling bottles are lowered into the water with their tops and bottoms held open by nylon strings attached to the center of the frame. To take a water sample, scientists send an electric pulse down the cable that releases one of the nylon strings and the bottle snaps shut trapping water inside.

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