Big congratulations to @FelhoferMartin@BOKUvienna 3 great studies (https://doi.org/10.1093/treephys/tpy073…, https://doi.org/10.1515/hf-2020-0170…, https://pubs.acs.org/doi/10.1021/acs.nanolett.0c00205…) great dissertation and today an outstanding oral defence. Many thanks for all your contributions and awesome graphics!