Eureka (word) "Eureka! Eureka!" after he had stepped into a bath and noticed that the water level rose, whereupon he suddenly understood that the volume of water displaced must be equal to the volume of the part of his body he had submerged. (This relation is "not" what is known as Archimedes' principle—that deals with the "upthrust" experienced by a body immersed in a fluid.) He then realized that the volume of irregular objects could be measured with precision, a previously intractable problem. He is said to have been so eager to share his discovery that he leapt out of his bathtub
The Discovery of India Deva and Asaf Ali. All his fellow prisoners (eleven of them) were political prisoners from various parts of the country, having deep knowledge about the various aspects of India which the book discusses. They also participated in proofreading Nehru's work and providing him with creative suggestions. The book is presently published by the 'Jawaharlal Nehru Memorial Fund' and the copyright for the book is held by his grand daughter-in-law Sonia Gandhi. The book became the basis of the 53-episode Indian television series "Bharat Ek Khoj" (1988), directed by Shyam Benegal, first broadcast in 1988 on state-run Doordarshan channel. The Discovery