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
Eureka Diamond diamond was sent on to Windsor for inspection by Queen Victoria. On its return to South Africa, the Eureka was bought for £500 by the Governor of the Cape Colony, Sir Philip Wodehouse. Sir Philip took it with him to the United Kingdom, where it remained for 100 years, during which time it was cut. On 16 April 1946, the Eureka was sold in London at a Christie's public auction as part of a bangle, for £5,700. In 1967, 100 years after the diamond's discovery, De Beers purchased the diamond and donated it to the South African people. The diamond