That would be "Archimedes' screw". See link provided:
Archimedes
i don't kknow
Archimedes
Archimedes is especially important for his discovery of the relation between the surface and volume of a sphere and its circumscribing cyclinder. He is known for his formulation of a hydrostatic principle (known as Archimedes' principle) and a device for raising water, still used in developing countries, known as the Archimedes screw.
Archimedes
Archimedes
Archimedes invented Archimedes' screw.
One of the things that Archimedes did not do is that Archimedes did not write Elements of Geometry.
According to Pappus of Alexandria, Archimedes' work on levers caused him to remark:'δῶς μοι πᾶ στῶ καὶ τὰν γᾶν κινάσω'which translates from Greek as:'Give me a place to stand on and I will move the world.'Therefore, the answer is Archimedes of Syracuse.
in his bathtub Archimedes filled the bathtub up with water and put a gold bar and saw that that made the water go up:)
so i could use it later in world history