id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cuesj-409	Amin, Waria O.	Sand Clock and The Concept of Time in Einstein’s Theory of Relativity	2021	2	.pdf	application/pdf	1017	61	64	He is famous for the father of relativity theory, for being the author of special relativity and general relativity, which were the first building blocks of modern theoretical physics. He developed number geometry and used engineering methods to solve problems in number theory, mathematical physics, and the theory of relativity.	cache/cuesj-409.pdf	txt/cuesj-409.txt