Double Decker video (VIDEO) University of Manchester This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This is a X-ray computer tomography of double decker chocolate bar. Credit Dr Tristan Lowe, Manchester X-ray Imaging Facility, The University of Manchester 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.