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Re:The Physics of Space War: How Orbital Dynamics Constrain ... by Valgrim on Thursday October 22, 2020 @09:20AM (#24857688)
There's an interesting speculation as to how an Epstein Drive could work in reality. The heat management problem is pretty central:

http://toughsf.blogspot.com/2019/10/the-expanses-epstein-dri...

The discussion at the bottom of the page has also a lot of interesting ideas.

Re:The Physics of Space War: How Orbital Dynamics Constrain ... by nine_k on Thursday October 22, 2020 @10:05AM (#24858143)
It's a very interesting discussion, thanks!