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It was sink or swim Tuesday as students from Wilmington Academy of Arts and Science took part in the Cardboard Boat Regatta at Echo Farms Pool.
Students were teamed up in their science classes to build boats only out of cardboard and clear packing tape. The goal was to put two passengers in the boats and paddle 25 yards across the pool without sinking.
Some students took the challenge very seriously, applying buoyancy formulas to engineer their boats just right to hold their weight, others do not and some sink immediately.
