Archimedes discovered and invented several things throughout his life: Archimedes' principle (one of several apsects involving buoyancy). The Archimedean screw (a fluid-moving device). The...
It's said he filled his bath to the top, and water splashed out when he got in. This was water displacement. He was so excited by his new idea that he ran out into the streets naked (there was no law...
No. The answer to this multiple-choice question is that he discovered "displacement", famously seeing water spill out of his filled bathtub when he got into it. ("Eureka!")
The most widely known anecdote about Archimedes tells of how he invented a method for determining the volume of an object with an irregular shape. According to Vitruvius, a votive crown for a temple...