quantum computers (IMAGE) University of Vienna Caption Multiple quantum computers using different hardware are tested against each other by letting them perform random-looking calculations, which are linked by a hidden graph structure. Credit © Ella Maru Studio Usage Restrictions Credit must be given to the creator. License CC BY 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.