QDev Lab (IMAGE) University of Copenhagen - Niels Bohr Institute Caption The experiments are carried out at ultra low temperatures close to absolute zero, which is minus 273 degrees C. Sven Albrecht and Charles Marcus follow the measurements. Credit (Credit: Ola Jakup Joensen, Niels Bohr Institute) Usage Restrictions (Credit: Ola Jakup Joensen, Niels Bohr Institute) 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.