fartan.assoian 167 مشاهدة · 2026-07-23 مشاركة على فيسبوك The penetration of radio was made in 1889 by the German Henry Hertz and his idea would not reach … The penetration of radio was achieved in 1889 by the German Henry Hertz, and his idea would not be realized until 1896, after his death.
