Somnath Bhattacharyya, Wits University (IMAGE) University of the Witwatersrand Caption Professor Somnath Bhattacharyya next to a dilution fridge - a specialised piece of equipment that enables quantum properties of diamond. Credit Wits University 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.