BFRH 2020 04 03: Wil McCarthy on The Collapsium; and David Weber's Uncompromising Honor, Part 7.
b"Wil McCarthy discusses The Collapsium, a science fiction novel filled with cool, and plausible, extensions of modern physics with wonder-inducing ideas, including materials such as a matrix of stable mini black holes, and programmable matter. It's a novel of manners, and a hard science fiction gem. McCarthy talks about both the ideas in the book, and its rollicking plot; and David Weber's Uncompromising Honor, Part 7."