Atmospheric chemistry is a branch of atmospheric science in which the chemistry of the Earth’s atmosphere and that of other planets is studied.
Archimedes is considered by manyas the greatest scientist of the ancient world.
Archimedes is considered by many as the greatest scientist of the ancient world. Born in Syracuse, Greece, in 287 BC, Archimedes was equally adept at Mathematics, Physics and Astronomy, besides being a prolific inventor and engineer. Among his many inventions is the Archimedes screw, the Archimedes Claw, the heat ray, the block-and-tackle pulley, the odometer, an improved version of the catapult and the basic principles for the for the lever. Many of his inventions, theories and concepts are still in use today.