Microflowers (image) Vienna University of Technology Share Print E-Mail Caption "Microflowers" are made of PPPI, the world's most mechanically stable organic polymer. The blossoms are approximately five microns wide. Credit TU Vienna Usage Restrictions None Share Print E-Mail 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.