(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.