Breath sensor (VIDEO) University of Cambridge This video is under embargo. Please login to access this video. Caption iFP fibre sensor attached to a face covering detects human breath with high sensitivity and responsiveness. Credit University of Cambridge 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.