Strike a bell, and the bell rings at its resonance modes. Strike it harder and the bell rings at the same tone, only louder. Now imagine a small crack in the bell, perhaps invisible to the eye. We ...

To measure the crispness of apples without relying on human test panels, researchers used a computerized penetrometer to assess firmness and texture of apple varieties and compared the results with ...

Southwest Research Institute’s aerospace acoustic test chamber can now simulate the harsh acoustic conductions associated with a rocket launch. SwRI’s new acoustic testing chamber ensures that ...