Sentences with phrase «perfect useful tech»

Not exact matches

However, researchers who have collected impact sensor data for years, including Dr. Stefan Duma, who runs the biomedical engineering department at Virginia Tech and helped develop the STAR helmet rating system, were quick to say that the league was being too careful, and that, while not perfect, even with a 10 to 20 percent error rate, the sensors were valuable and give reasonable data that is useful, not only in football, but in analyzing head hits in sports like soccer and hockey.