Search academic texts

Information × Registration Number 2114U002424, Article popup.category Thesis Title popup.author popup.publication 01-01-2014 popup.source_user Сумський державний університет popup.source http://essuir.sumdu.edu.ua/handle/123456789/45606 popup.publisher Sumy State University Description No doubt many of mankind's greatest inventions required years of patience, skill, frustration and research. But not all of them. Actually, quite a few of the things you use every day were created by accident. popup.nrat_date 2025-05-12 Close