@article{xavier jr_2019,  title={Dissipation and mass redistribution as a mechanism of propulsion in closed systems},  volume={41},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2019-0057},  DOI={10.1590/1806-9126-RBEF-2019-0057},  number={4},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Xavier Jr, Ademir L},  year={2019},  pages={e20190057} }