https://arc.aiaa.org/doi/10.2514/1.A34153
https://www.gla.ac.uk/news/headline_586616_en.html
https://www.economist.com/science-and-technology/2018/05/31/a-rocket-that-devours-itself
http://www.sciencemag.org/news/2018/06/leaner-and-meaner-rockets-eat-themselves
