The ancient India or I say Bharat was really very rich in terms of culture and Science . I use the term ancient or period before Kalyug and before the Mahabharata war. The Mahabharat was the most destructive war of all time it was more destructive than World War 1 and 2 . Many rishi and saint and King took place in the war. In this war lord Krishna give the learning of geeta to Arjun. After the war that time period of Kalyug started.In this time period people got nervous and don't believe in God. By the time the great Knowledge of Indian culture got disappeared and they get limited to books. Many European and other scientist this book and they just copy the text in the books and the name this Discovery on their own. Just like you have heard that Newtown discovered gravity and calculus but before Newton gravity is defined in many Hindu taxes not only Newton discovered that many more Discovery has done this work. The great scientific culture of Bharat has got disappeared nowadays but the costless knowledge of this culture is in the veds and purana of hindu.
So let introduce you with some facts and knowledge of Hindu text.
•you have heard about famous scientist john dalton who gave Atomic theory of matters but this is not true . About 500 years before dalton an indian philosopher kanad rishi said that all the matters around us are composed of very small particles. He named these particles 'anu'
•In chapter 7 slok no 4,5 lord Krishna says to arjun " Earth, water, fire, air, ether mind, reasons and also ego : these are my lower nature or material nature