Integza made a YouTube video[1] where he visited a lab where they had a RDE, and includes some nice explanations, animations and slow-mos of the prototype in action.
His channel has a certain flavor, but at least the video is informative.
[1]: https://www.youtube.com/watch?v=fRMMSyCcTDI
> His channel has a certain flavor
It's kind of an anti-tomato flavor.
What's wrong with tomato degloving by rocket?