Four-qubit quantum processor (IMAGE) Delft University of Technology Caption Schematic of the four-qubit quantum processor made using semiconductor manufacturing technology Credit Nico Hendrickx (QuTech) 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.