Ruby Red Improves in the Microwave Oven (IMAGE) Springer Caption These are rubies before and after microwave treatment. Credit Subhashree Swain / Applied Physics A Usage Restrictions Copyright: Subhashree Swain / Applied Physics A 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.