Synthesized answer
The provided passage does not contain information about unanswered questions. It only states the title of the book, "The Philosophy of No by Gaston Bachelard," and its category as "Science" with 160 pages [Passage 1]. Therefore, I cannot answer what questions remain unanswered based on this passage.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: The Philosophy of No by Gaston Bachelard Categories: Science Pages: 160