Dilution Refrigerators (IMAGE) Karlsruher Institut für Technologie (KIT) Caption For the studies, the physicist uses dilution refrigerators, among others. The refrigerators reach very low temperatures near absolute zero of minus 273°C. Credit Photo: Dr. Martin Weides, KIT 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.