In physics, intensity is the power transferred per unit area, where the area is an imagined surface that is perpendicular to the direction of propagation of the energy. In the SI system, it has units watts per square metre (W/m 2).
The Ancient Greeks spoke Ancient Greek with three different major dialects: Aeolic, Doric and Ionic. They were the first Europeans to both read and write with an alphabet. This alphabet eventually led to the development of all modern European languages.
Words from Greek. The words in this list are all related to words that were used 2500 years ago! English gets an important part of its vocabulary from the language of ancient Greece. Classical Greek, as it is called, is quite different from but closely related to the language spoken in Greece today.