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 Rebellion their lives as the hotel was burnt down by the angry mob. A small group of soldiers were unable to suppress the riot. On 22 October 1854, Ballarat Catholics met to protest the treatment of Father Smyth. The next day, the arrests of miners McIntyre and Fletcher for the Eureka Hotel fire provoked a mass meeting which attracted 4000 miners. The meeting resolved to establish a 'Digger's Rights Society', to protect their rights. On 1 November 1854, 10,000 miners met once again at Bakery Hill. They were addressed by Thomas Kennedy, Henry Holyoake, George Black and Henry Ross. The diggers