Magnetocaloric Heat Pump (IMAGE) DOE/Ames National Laboratory Caption Baseline model with a wedge cut out to show the interior. Credit U. S. Department of Energy Ames National Laboratory Usage Restrictions Credit to: U. S. Department of Energy Ames National Laboratory 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.