"The Computing Machines in the Future" (1985) http://cse.unl.edu/~seth/434/Web%20Links%20and%20Docs/Feynman-future%20computing%20machines.pdf http://cse.unl.edu

"The Computing Machines in the Future" (1985) http://cse.unl.edu/~seth/434/Web%20Links%20and%20Docs/Feynman-future%20computing%20machines.pdf http://cse.unl.edu/~seth/434/Web%20Links%20and%20Docs/Feynma... In section 3, Reducing the Size, he speculates having a billion transistors in a computer, then immediately qualifies his statement. That was almost thirty years ago.