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Archimedes is the Greek scientist who discovered the principle of the lever and invented the double pulley. He did not invent the catapult but he did improve it. He also discovered the when an object is place in fluid, the volume of the fluid that is displaced is equal to the volume of the object.
James Prescott Joule :)
The uncertainty principle was developed by Werner Karl Heisenberg.
No, The Greek Scientist who founded the Lever and Pulley is Archimedes.
they were developed by scientist ( clever people )
The scientist who was part of a team that developed the drug penicillin was "Howard Florey".