Cryostat and special thermometer (IMAGE) University of Basel Caption The cryostat used by the Basel physicists to reach a record temperature of 220 micro-Kelvin. The special thermometer along with a scale bar can be seen in the centre of the image (golden rectangle). Credit University of Basel, Department of Physics) Usage Restrictions Only to be used in reporting on the related press release 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.