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.
For the Greek language used during particular eras, see Proto-Greek, Mycenaean Greek, Ancient Greek, Koine Greek, Medieval Greek and Modern Greek.Greek or Hellenic (Modern Greek: ÎµÎ»Î»Î·Î½Î¹ÎºÎ¬ [eliniËka] , ellinika, EllinikÃ¡, greek ÎµÎ»Î»Î·Î½Î¹ÎºÎ® [Î³Î»ÏÏÏÎ± eliniËci]. ËÉ£losahe language is also spoken by Greek emigrant communities in many countries in Western Europe, especially the United Kingdom and Germany, Canada, the United States, Australia, Argentina, Brazil, Chile, and others.