The cost to publish OA is quickly becoming a new paywall in science, substituting the difficulty to read papers with the inability to showcase results in journals seen as reputable, due to the financial barrier of APCs.
José R. F. Arruda is a Full Professor of Mechanical Engineering with the University of Campinas. He holds a Doctoral degree from UPMC, Paris. He is currently an advisor for scientific collaboration and Open Science of the São Paulo State Foundation (Fapesp). He is Associate Editor of Acta Acustica. His research involves structural dynamics and elastic metamaterials.