NEW ORLEANS — If you throw a block of concrete in a bayou, it will sink. So how is it that hundreds of engineering students from around the Southeast managed to not just build, but race canoes made of ...

This June the waters of Lake Sammamish will see sailboats, Jet Skis and a fleet of unconventional watercraft — concrete canoes. The University of Washington will host the American Society of Civil ...

In what sounds like a cruel joke, civil engineering students like Grant Johnson had to make a canoe out of concrete. "We actually use a structural mix that is less dense than water," Johnson said. "So ...

Members of a past Portland State University concrete canoe team are shown with their creation. (Portland State University) How do you make concrete float and steel bridges that withstand load stresses ...

Engineering students at University of Tennessee Chattanooga face an unusual challenge as part of their curriculum: make a maneuverable and stable canoe out of concrete. Then, the students pass that ...

We’ve all seen wood float and rocks sink in water. This is why boats are usually made of wood and other light materials. But could a boat made out of concrete float? A group of Cornell undergraduates ...

Members of the University of Florida team carry their concrete canoe to the water for a race during the National Concrete Canoe Competition in Homer, Ill., Saturday, June 22, 2013. The American ...