Synthesized answer
The provided passage does not specify what questions remain unanswered. It focuses on Ray Kurzweil's arguments about computers rivaling human intelligence and the future union of humans and machines [1]. The text highlights his predictions regarding the increased capacity, speed, and knowledge-sharing abilities of future creations [1].
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: The Singularity Is Near by Ray Kurzweil Description: For over three decades, Ray Kurzweil has been one of the most respected and provocative advocates of the role of technology in our future. In his classic The Age of Spiritual Machines, he argued that computers would soon rival the full range of human intelligence at its best. Now he examines the next step in this inexorable evolutionary process: the union of human and machine, in which the knowledge and skills embedded in our brains will be combined with the vastly greater capacity, speed, and knowledge-sharing ability of our…