id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajiss-901	Khan, Sameen Ahmed	The International Year of Light and Light-based Technologies	2016.0	4	.pdf	application/pdf	1398	51	44	In the context of optics, the encyclopedic works of Ibn al-Haytham and his teacher Ibn Sahl (940-1000) deserve special mention. Ibn al-Haytham became a central figure in the documents submitted to UNESCO’a board and eventually the UN.	cache/ajiss-901.pdf	txt/ajiss-901.txt