Photo 1 (IMAGE) Nanyang Technological University Caption (Left to Right) Members of the NTU research team include Assistant Professor Grzegorz Lisak from NTU's School of Civil and Environmental Engineering, PhD student Yi-Heng Cheong, the study's first author and PhD student Fu Xiaoxu, and Research Associate Ashiq Ahamed. Credit NTU Singapore 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.