The science behind Virginia Tech's helmet ratings

Stefan Duma, a biomedical engineering professor at Virginia Tech University, explains how their helmet rating system began and some of the science behind it. Credit: Newsday

Stefan Duma, a biomedical engineering professor at Virginia Tech University, explains how their helmet rating system began and some of the science behind it. Credit: Newsday
The Newsday app makes it easier to access content without having to log in.