I gave students the task of designing a boat for a purpose. We weren't going for speed. We were simply trying to float a boat that would carry as many dinosaurs as possible. Boats needed to hold a large volume. The best design for this is a rectangular prism with high walls. That flat bottom helps the boat float high in the water.
Our best performing vessel held 176 dinosaurs before meeting it demise on the ocean floor (Don't worry: all passengers were rescued.).
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