Calorimetry Lab (IMAGE) DOE/Pacific Northwest National Laboratory Caption The Flipper mixes chemicals by rotating upside down with samples secured. Credit Photo by Andrea Starr | Pacific Northwest National Laboratory Usage Restrictions None 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.