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 Cry of the Owl in the 1970s, but finding the rights unavailable chose to make Highsmith's "Ripley's Game" into the film "Der Amerikanische Freund". A 4-part radio dramatisation was broadcast on BBC Radio 4 in 2002. Adapted by Shaun McKenna it starred Joanne McQinn, John Sharian and Adrian Lester. The Cry of the Owl The Cry of the Owl is a psychological thriller novel by Patricia Highsmith, the eighth of her 22 novels. It was first published in the US in 1962 by Harper & Row and in the UK by Heinemann the following year. It explores, in the phrase of critic Brigid Brophy,