Now change the beam bridge into a suspension bridge. Tie the center of a 100-cm (about 4 ft.) cable around the middle of a new straw. Place the straw between the towers.

Because suspension parts wear gradually, vehicle owners may not recognize warning signs until something breaks, said Steve Cartwright, a manager at the Federal Mogul Technical Education Center in ...

When suspension bushings are worn, they don’t adequately fill the gap between parts, which can lead to loose-feeling steering, uneven tire wear and even broken components.

The Verrazano-Narrows Bridge, one of the longest suspension bridges in the world, spans the length of the strait dividing the New York City boroughs of Staten Island and Brooklyn. But nearly 100 ...