Model a deck-truss arch bridge. The bridge in the segment is an under-deck-truss arch design. To help students understand what gives a bridge its strength, and the specifics of the Minneapolis bridge ...
WHAT: This year, middle- and high-school teams have built cardboard bridges capable of carrying up to 235 pounds (107 kilograms) to compete in the 12th annual Invention Challenge hosted by NASA’s Jet ...
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