It helped revolutionize the building of roads and travelling by them by accurately measuring distance and being able to carefully illustrate this with a milestone.
The use of water power was pioneered by the Greeks: The earliest mention of a water mill in history occurs in Philo's Pneumatics, previously been regarded as a later Arabic interpolation, but according to recent research to be of authentic Greek origin.
Mining also helped to create currency by the conversion of the metal into coinage.
However, Themistocles had earlier established a lighthouse at the harbor of Piraeus connected to Athens in the 5th century BC, essentially a small stone column with a fire beacon.
The Hellenistic engineer and inventor Ctesibius (fl.
The inventor Philo of Byzantium (280–220 BC) described an eight-sided ink pot with an opening on each side, which can be turned so that any face is on top, dip in a pen and ink it-yet the ink never runs out through the holes of the side.
This was done by the suspension of the inkwell at the center, which was mounted on a series of concentric metal rings which remained stationary no matter which way the pot turns itself.