This is the Taylor Couette Disc Contactor, which was used for CO2 purification of a gas stream with sodium hydroxide. The pH curve was made visible in the course of the chemical reaction with a universal indicator.
In the production of a fuel cell, catalyst ink is sprayed onto the membrane by ultrasound. Perfect homogeneity is essential. Here, the aesthetic pattern was created by too much ink. The swollen membrane is unusable.
The image shows the left hemisphere brain surface of a TU Graz employee (extracted from a MRI scan). The surface texture includes all figures from scientific review articles that can be found in medical Deep Learning for the years 2017 to 2018 in PubMed. The figure shows the broad variety of medical applications in Deep Learning, which tries itself to mimic the human brain.
Concrete rethought. The technology for 3D printing with concrete was developed at the Institute of Structural Design and has already been used in construction practice. With 3D printing, a wide variety of shapes can be implemented that enable material savings.