An object in a fluid is displacing some of the fluid. The upthrust force is equal in size to the weight of the fluid displaced by the object. If the upthrust is less than the weight of the object, the ...

One day, in the 3rd Century BC, King Hiero II of Syracuse, Sicily, summoned Archimedes—a young, Greek physicist and mathematician, donning a long, flowing, white beard—to verify that his new crown was ...

The Archimedes principle, attributing buoyant force to fluid displacement, sparked Brenden Sener's curiosity, leading him to recreate Archimedes' death-ray for his school's science fair. Using ...

Journal of Experimental Botany, Vol. 40, No. 219 (October 1989), pp. 1069-1078 (10 pages) The minute changes in volume of a grape berry which occur from hour to hour were measured non-destructively in ...