Quantum computing (IMAGE) University of the Witwatersrand Caption An innovative computing system using laser beams and everyday display technology marks a significant leap forward in the quest for more powerful quantum computing solutions. Credit Wits University Usage Restrictions No restrictions. License Public Domain 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.