Historians cite television as one of the greatest inventions of humankind. The introduction of this new medium occurred at the beginning of the 20th century after scientists in the United States, Japan, and the Soviet Union successfully transported pictures using electric rays. The mass use of television came about in the mid-20th century. By theHistorians cite television as one of the greatest inventions of humankind. The introduction of this new medium occurred at the beginning of the 20th century after scientists in the United States, Japan, and the Soviet Union successfully transported pictures using electric rays. The mass use of television came about in the mid-20th century. By the ยป TMI Georgia