Fig.1 (IMAGE) Osaka University Caption Schematic diagram of the powder EL device that emits light at low temperatures through heat dissipation by kirigami and air convection. Credit © 2021 Kojiro Uetani et al., NPG Asia Materials 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.