Every year, 4 million people die from upper respiratory infections. Mask-wearing is crucial in preventing the spread of pathogen-containing droplets, which is the primary cause of these infections. However, most experiments for evaluating mask efficacy are either expensive and complex or inaccurate. In this work, a novel, low-cost, and…

In this abstract, I share a field report. It is an administration manager's experience of how solutions to wicked problems can be developed by approaching the task with an action-learning attitude and using democratic methods in a Catholic parish association. In detail, it had to be worked out, how pastoral work can be shaped under the…