A frame of an NHL broadcast video clip (IMAGE) University of Waterloo Caption A frame of a National Hockey League broadcast video clip. Credit Stathletes Usage Restrictions To be used with this press release or stories about this research. License Original 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.