Ah, the Epstein Drive, invented by Solomon Epstein, the Zefram Cochrane of The Expanse - seems like an unfortunate naming in retrospect, but I guess the novels

Ah, the Epstein Drive, invented by Solomon Epstein, the Zefram Cochrane of The Expanse - seems like an unfortunate naming in retrospect, but I guess the novels were published a few years before Jeffrey Epstein became notorious...