id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-11406	Stein, Jay W.	Machines That Teach Better Than Books?	1961	4	.pdf	application/pdf	2583	106	58	T h e student presses a button or turns a crank or dial for the question to appear on a small screen or in a scanning win- dow. Machine teaching is prelude to a book- less generation.	cache/crl-11406.pdf	txt/crl-11406.txt