Synthesized answer
The provided passages do not contain information about what questions remain unanswered in "Black-Body Theory and the Quantum Discontinuity, 1894-1912." The passages describe the book's content as an assessment of how quanta of radiation became part of 20th-century physics and characterize it as a "scientific detective story" [Passage 1].
The passages highlight the book's importance and interest to scientists and its polished literary style, but they do not specify any remaining unanswered questions within the subject matter covered by the book [Passage 1].
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Black-Body Theory and the Quantum Discontinuity, 1894-1912 by Thomas S. Kuhn Description: "A masterly assessment of the way the idea of quanta of radiation became part of 20th-century physics. . . . The book not only deals with a topic of importance and interest to all scientists, but is also a polished literary work, described (accurately) by one of its original reviewers as a scientific detective story."—John Gribbin, New Scientist "Every scientist should have this book."—Paul Davies, New Scientist Categories: History Pages: 400 Snippet: . The book not only deals with a topic of…