SparkMaster 2 raw data vs analyzed data (IMAGE) University of California - Davis Health Caption The image on the left shows raw data, and the image on the right shows how SparkMaster 2 detects calcium sparks, miniwaves and waves. Credit UC Davis Usage Restrictions For reprint purposes only. 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.