Who invented algebra?

Algebra was the inventor of Al-Khwarizmi, who was a Muslim mathematician living in 820 A.D. He is named as “the father of Algebra”. He composed a book, which exhibited the… Read more »

Who invented toilet paper?

The initial factory-made paper commercialized solely for toilet use was invented by Joseph Gayetty in the year 1857. Gayetty invented it in the United States. Before this discovery, rich people… Read more »