Different typologies of ice-ray lattices (IMAGE) Xi'an Jiaotong-Liverpool University Caption Different typologies of ice-ray lattices. P represents pentagon, Q represents quadrilaterals, and T represents triangles. Credit Dr Rian (XJTLU) Usage Restrictions Credit author License Original 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.