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 Creek Eureka Creek Eureka Creek is a tributary of Baker Creek in the U.S. state of Alaska. Other Baker tributaries in the vicinity of Eureka Creek include Thanksgiving, Gold Run, and Pioneer creeks with Seattle Junior Creek a tributary of Pioneer. Eureka Creek flows southwest along the foot of the Baker-Minook divide. It runs in a straight southwest course for about , then turns and runs south to its junction with Pioneer Creek. It has a number of small tributaries from the northwest side, but none from the southeast. The largest is Boston Creek, about long, which joins Eureka Creek at