Soccer Sensor (IMAGE) Virginia Tech Caption Kelsey Louppe and other players on the Virginia Tech women's soccer team are wearing small sensors behind their ears that can measure linear and rotational motion of the head during every head impact they experience. This is part of a new, $30 million national study involving the National Collegiate Athletic Association and the US Department of Defense. Credit Virginia Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.